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Background: Hip fractures are devastating injuries causing disability, dependence, and institutionalisation, yet hospital care is highly variable. This study aimed to determine hospital organisational factors associated with recovery of mobility and change in patient residence after hip fracture. Methods: A cohort of patients aged 60 + years in England and Wales, who sustained a hip fracture from 2016 to 2019 was examined. Patient-level Hospital Episodes Statistics, National Hip Fracture Database, and mortality records were linked to 101 factors derived from 18 hospital-level organisational metrics. After adjustment for patient case-mix, multilevel models were used to identify organisational factors associated with patient residence at discharge, and mobility and residence at 120 days after hip fracture. Results: Across 172 hospitals, 165,350 patients survived to discharge, of whom 163,230 (99%) had post-hospital discharge destination recorded. 18,323 (11%) died within 120 days. Among 147,027 survivors, 58,344 (40%) across 143 hospitals had their residence recorded, and 56,959 (39%) across 140 hospitals had their mobility recorded, at 120 days. Nineteen organisational factors independently predicted residence on hospital discharge e.g., return to original residence was 31% (95% confidence interval, CI:17–43%) more likely if the anaesthetic lead for hip fracture had time allocated in their job plan, and 8–13% more likely if hip fracture service clinical governance meetings were attended by an orthopaedic surgeon, physiotherapist or anaesthetist. Seven organisational factors independently predicted residence at 120 days. Patients returning to their pre-fracture residence was 26% (95%CI:4–42%) more likely if hospitals had a dedicated hip fracture ward, and 20% (95%CI:8–30%) more likely if treatment plans were proactively discussed with patients and families on admission. Seventeen organisational factors predicted mobility at 120 days. More patients re-attained their pre-fracture mobility in hospitals where (i) care involved an orthogeriatrician (15% [95%CI:1-28%] improvement), (ii) general anaesthesia was usually accompanied by a nerve block (7% [95%CI:1-12%], and (iii) bedside haemoglobin testing was routine in theatre recovery (13% [95%CI:6-20%]). Conclusions: Multiple, potentially modifiable, organisational factors are associated with patient outcomes up to 120 days after a hip fracture, these factors if causal should be targeted by service improvement initiatives to reduce variability, improve hospital hip fracture care, and maximise patient independence. [ABSTRACT FROM AUTHOR]

Background Hip fracture is a leading cause of disability and mortality among older people. During the COVID-19 pandemic, orthopaedic care pathways in the National Health Service in England were restructured to manage pressures on hospital capacity. We examined the indirect consequences of the pandemic for hospital mortality among older patients with hip fracture, admitted from care homes or the community. Methods Retrospective analysis of linked care home and hospital inpatient data for patients with hip fracture aged 65 years and over admitted to hospitals in England during the first year of the pandemic (1 March 2020 to 28 February 2021) or during the previous year. We performed survival analysis, adjusting for case mix and COVID-19 infection, and considered live discharge as a competing risk. We present cause-specific hazard ratios (HRCS) for the effect of admission year on hospital mortality risk. Results During the first year of the pandemic, there were 55 648 hip fracture admissions: a 5.2% decrease on the previous year. 9.5% of patients had confirmed or suspected COVID-19. Hospital stays were substantially shorter (p<0.05), and there was a higher daily chance of discharge (HRCS 1.40, 95% CI 1.38 to 1.41). Overall hip fracture inpatient mortality increased (7.2% in 2020/2021 vs 6.4% in 2019/2020), but patients without concomitant COVID-19 infection had lower mortality rates compared with the year before (5.3%). Admission during the pandemic was associated with a 11% increase in the daily risk of hospital death for patients with hip fracture (HRCS 1.11, 95% CI 1.05 to 1.16). Conclusions Although COVID-19 infections led to increases in hospital mortality, overall hospital mortality risk for older patients with hip fracture remained largely stable during the first year of the pandemic. [ABSTRACT FROM AUTHOR]

Background: Delirium is common after hip fracture surgery, affecting up to 50% of patients. The incidence of delirium may be influenced by mode and conduct of anaesthesia. We examined the effect of spinal anaesthesia (with and without sedation) compared with general anaesthesia on early outcomes following hip fracture surgery, including delirium.Methods: We used prospective data on 107,028 patients (2018 to 2019) from the National Hip Fracture Database, which records all hip fractures in patients aged 60 years and over in England, Wales and Northern Ireland. Patients were grouped by anaesthesia: general (58,727; 55%), spinal without sedation (31,484; 29%), and spinal with sedation (16,817; 16%). Outcomes (4AT score on post-operative delirium screening; mobilisation day one post-operatively; length of hospital stay; discharge destination; 30-day mortality) were compared between anaesthetic groups using multivariable logistic and linear regression models.Results: Compared with general anaesthesia, spinal anaesthesia without sedation (but not spinal with sedation) was associated with a significantly reduced risk of delirium (odds ratio (OR)=0.95, 95% confidence interval (CI)=0.92-0.98), increased likelihood of day one mobilisation (OR=1.06, CI=1.02-1.10) and return to original residence (OR=1.04, CI=1.00-1.07). Spinal without sedation (p<0.001) and spinal with sedation (p=0.001) were both associated with shorter hospital stays compared with general anaesthesia. No differences in mortality were observed between anaesthetic groups.Conclusions: Spinal and general anaesthesia achieve similar outcomes for patients with hip fracture. However, this equivalence appears to reflect improved perioperative outcomes (including a reduced risk of delirium, increased likelihood of mobilisation day one post-operatively, shorter length of hospital stay and improved likelihood of returning to previous residence on discharge) among the sub-set of patients who received spinal anaesthesia without sedation. The role and effect of sedation should be studied in future trials of hip fracture patients undergoing spinal anaesthesia. [ABSTRACT FROM AUTHOR]

Objectives Despite established standards and guidelines, substantial variation remains in the delivery of hip fracture care across the United Kingdom. We aimed to determine which hospital-level organisational factors predict adverse patient outcomes in the months following hip fracture. Methods We examined a national record-linkage cohort of 178,757 patients aged ≥60 years who sustained a hip fracture in England and Wales in 2016–19. Patient-level hospital admissions datasets, National Hip Fracture Database and mortality data were linked to metrics from 18 hospital-level organisational-level audits and reports. Multilevel models identified organisational factors, independent of patient case-mix, associated with three patient outcomes: length of hospital stay (LOS), 30-day all-cause mortality and emergency 30-day readmission. Results Across hospitals mean LOS ranged from 12 to 41.9 days, mean 30-day mortality from 3.7 to 10.4% and mean readmission rates from 3.7 to 30.3%, overall means were 21.4 days, 7.3% and 15.3%, respectively. In all, 22 organisational factors were independently associated with LOS; e.g. a hospital's ability to mobilise >90% of patients promptly after surgery predicted a 2-day shorter LOS (95% confidence interval [CI]: 1.2–2.6). Ten organisational factors were independently associated with 30-day mortality; e.g. discussion of patient experience feedback at clinical governance meetings and provision of prompt surgery to >80% of patients were each associated with 10% lower mortality (95%CI: 5–15%). Nine organisational factors were independently associated with readmissions; e.g. readmissions were 17% lower if hospitals reported how soon community therapy would start after discharge (95%CI: 9–24%). Conclusions Receipt of hip fracture care should be reliable and equitable across the country. We have identified multiple, potentially modifiable, organisational factors associated with important patient outcomes following hip fracture. [ABSTRACT FROM AUTHOR]

Summary: We describe variation across geographical regions of England in operations undertaken following presentation of hip fracture and in 30-day mortality. Some significant geographic variation in 30-day mortality was observed particularly for patients with trochanteric hip fractures and warrants further investigation of other aspects of post-hip fracture care Introduction: Mortality after hip fracture has improved considerably in the UK over recent decades. Our aim here was to describe geographical variation in type of operation performed and 30-day mortality amongst patients in England with hip fracture. Methods: The National Hip Fracture Database was used to carry out a prospective cohort study of nearly all over-60 year olds with hip fracture in England. These data were linked to Hospital Episode Statistics (HES), allowing us to explore regional variation in the operations performed for three fracture types (intracapsular, trochanteric and subtrochanteric), and use logistic regression models adjusted for demographic and clinical factors to describe associated 30-day mortality. Results: NHFD recorded data for 64,211 patients who underwent surgery in England during 2017. Most had an intracapsular (59%) or trochanteric fracture (35%), and we found significant geographical variation across regions of England in use of total hip replacement (THR) (ranging from 10.1 to 17.4%) for intracapsular fracture and in intermedullary nailing (ranging from 14.9 to 27.0%) of trochanteric fracture. Some geographical variation in mortality amongst intracapsular fracture patients was found, with slightly higher mortality in the East of England (adjusted odds ratio [aOR]: 1.22, 95% CI: 1.02–1.46). Trochanteric fractures showed slightly more variation, with higher 30-day mortality (aOR: 1.40, 95%CI: 1.05–1.88) in the East of England and significantly lower mortality in the North East (aOR: 0.65, 95%CI: 0.46–0.93). Conclusions: We have identified regional differences in operation type and 30-day mortality amongst hip fracture patients in England. The relationship between surgical approach and mortality has been explored, but the extent to which differential mortality reflects variation in approach to medical assessment, anaesthesia and other aspects of care warrants further investigation. [ABSTRACT FROM AUTHOR]

This paper aims to analyze the characteristics of national health surveys conducted in Brazil and England by their respective Statistics institutes. For Brazil, the National Health Survey (PNS) was considered, and the Health Survey for England (HSE) for England. To this end, we show a preliminary overview of the different population profiles of the two countries. Then, a brief historical background is presented, including the common themes that are addressed in the PNS and HSE that favor comparative analyses. Finally, we compared, for example, the inequalities in access to and use of Brazilian and English health services. The results show several possibilities for comparative analysis on topics such as health perception, tobacco use, alcohol consumption, diabetes, and hypertension. However, the need to consider the specificities of the population profile of each country and the methodological characteristics of the surveys is emphasized. [ABSTRACT FROM AUTHOR]

Background and Objective Several studies report poorer quality healthcare for patients presenting at weekends. Our objective was to examine how timely surgery for patients with hip fracture varies with day and time of their presentation. Methods This population- based cohort study used 2017 data from the National Hip Fracture Database, which recorded all patients aged 60 years and over who presented with a hip fracture at a hospital in England, Wales and Northern Ireland. Provision of prompt surgery (surgery within 36 hours of presentation) was examined, using multivariable logistic regression with generalised estimating equations to derive adjusted risk ratios (RRs). Time was categorised into three 8- hour intervals (day: 08:00-15:59, evening: 16:00-23:59 and night: 00:00-07:59) for each day of the week. The model accounted for clustering by hospital and was adjusted by sex, age, fracture type, operation type, American Society of Anesthesiologists grade, preinjury mobility and location. Results We studied 68 977 patients from 177 hospitals. The average patient presenting during the day on Friday or Saturday was significantly less likely to undergo prompt surgery (Friday during 08:00-15:59, RR=0.93, 95% CI 0.91 to 0.96; Saturday during 08:00-15:59, RR=0.91, 95% CI 0.88 to 0.94) than patients in the comparative category (Thursday, during the day). Patients presenting during the evening (16:00-23:59) were consistently significantly less likely to undergo prompt surgery, and the effect was more marked on Fridays and Saturdays (Friday during 16:00-23:59, RR=0.83, 95% CI 0.80 to 0.85; Saturday during 16:00-23:59, RR=0.81, 95% CI 0.78 to 0.85). Patients presenting overnight (00:00-07:59), except on Saturdays, were significantly more likely to undergo surgery within 36 hours (RR>1.07). Conclusion The provision of prompt hip fracture surgery was complex, with evidence of both an 'evening' and a 'night' effect. Investigation of weekly variation in hip fracture care is required to help implement strategies to reduce the variation in timely surgery throughout the entire week. [ABSTRACT FROM AUTHOR]

Background: Physical activity (PA) may positively stimulate the brain, cognition and mental health during adolescence, a period of dynamic neurobiological development. High-intensity interval training (HIIT) or vigorous PA interventions are time-efficient, scalable and can be easily implemented in existing school curricula, yet their effects on cognitive, academic and mental health outcomes are unclear. The primary aim of the Fit to Study trial was to investigate whether a pragmatic and scalable HIIT-style VPA intervention delivered during school physical education (PE) could improve attainment in maths. The primary outcome has previously been reported and was null. Here, we report the effect of the intervention on prespecified secondary outcomes, including cardiorespiratory fitness, cognitive performance, and mental health in young adolescents. Methods: The Fit to Study cluster randomised controlled trial included Year 8 pupils (n = 18,261, aged 12–13) from 104 secondary state schools in South/Mid-England. Schools were randomised into an intervention condition (n = 52), in which PE teachers delivered an additional 10 min of VPA per PE lesson for one academic year (2017–2018), or into a "PE as usual" control condition. Secondary outcomes included assessments of cardiorespiratory fitness (20-m shuttle run), cognitive performance (executive functions, relational memory and processing speed) and mental health (Strength and Difficulties Questionnaire and self-esteem measures). The primary intention-to-treat (ITT) analysis used linear models and structural equation models with cluster-robust standard errors to test for intervention effects. A complier-average causal effect (CACE) was estimated using a two-stage least squares procedure. Results: The HIIT-style VPA intervention did not significantly improve cardiorespiratory fitness, cognitive performance (executive functions, relational memory or processed speed), or mental health (all p > 0.05). Subgroup analyses showed no significant moderation of intervention effects by sex, socioeconomic status or baseline fitness levels. Changes in cardiorespiratory fitness were not significantly related to changes in cognitive or mental health outcomes. The trial was marked by high drop-out and low intervention compliance. Findings from the CACE analysis were in line with those from the ITT analysis. Conclusion: The one-academic year HIIT-style VPA intervention delivered during regular school PE did not significantly improve fitness, cognitive performance or mental health, but these findings should be interpreted with caution given low implementation fidelity and high drop-out. Well-controlled, large-scale, school-based trials that examine the effectiveness of HIIT-style interventions to enhance cognitive and mental health outcomes are warranted. Trial registration: ISRCTN registry, 15,730,512. Trial protocol and analysis plan for primary outcome prospectively registered on 30th March 2017. ClinicalTrials.gov, NCT03286725. Secondary measures (focus of current manuscript) retrospectively registered on 18 September 2017. [ABSTRACT FROM AUTHOR]

We set out to examine the implications of seasonal variation in hip fracture for trauma services and for the frail older people who typically suffer this injury. Since 2007 the National Hip Fracture Database (NHFD) has been reporting data for all over-60 year old patients presenting in England, Wales and Northern Ireland. We analysed published NHFD data for the 450,764 people who presented during the seven years from April 2011 to March 2018. We found marked seasonal variation in the number of people presenting: 8% more people presenting in the winter months (December-February) than in the summer (June-August). The total number of people dying within 30 days of hip fracture was 30.5% higher among those presenting in these winter months. In total 33,649 people (7.5%) died within 30 days of hip fracture, but this figure varied significantly (p < 0.001, Chi2 test); ranging from 6.7% in July to 8.7% (30% higher) in January. The public health impact of these findings is significant. An 8% increase in hip fracture numbers during the winter would equate with 1250 additional fractures during these months each year. Patients average over 20 days in hospital, so these additional cases will compound the stresses on hospital services over the Christmas and New Year holiday period. Such factors must be taken into consideration when organising trauma services if we are to try and avoid the additional 325 deaths that we found to occur each winter. [ABSTRACT FROM AUTHOR]

Objectives: to describe the increase in orthogeriatrician involvement in hip fracture care in England and its association with improvements in time to surgery and mortality. Study design: analysis of Hospital Episode Statistics for 196,401 patients presenting with hip fracture to 150 hospitals in England between 1 April 2010 and 28 February 2014, combined with data on orthogeriatrician hours from a national organisational survey. Methods: we examined changes in the average number of hours worked by orthogeriatricians in orthopaedic departments per patient with hip fracture, and their potential effect on mortality within 30 days of presentation. The role of prompt surgery (on day of or day after presentation) was explored as a potential confounding factor. Associations were assessed using conditional Poisson regression models with adjustment for patients' sex, age and comorbidity and year, with hospitals treated as fixed effects. Results: between 2010 and 2013, there was an increase of 2.5 hours per patient in the median number of hours worked by orthogeriatricians-from 1.5 to 4.0 hours. An increase of 2.5 hours per patient was associated with a relative reduction in mortality of 3.4% (95% confidence interval 0.9% to 5.9%, P = 0.01). This corresponds to an absolute reduction of approximately 0.3%. Higher numbers of orthogeriatrician hours were associated with higher rates of prompt surgery, but were independently associated with lower mortality. Conclusion: in the context of initiatives to improve hip fracture care, we identified statistically significant and robust associations between increased orthogeriatrician hours per patient and reduced 30-day mortality. [ABSTRACT FROM AUTHOR]

Summary: We used routine hospital data to investigate whether socially deprived patients had an increased risk of dying following hip fracture compared with affluent patients. We found that the most deprived patients had a significantly increased risk of dying at 30, 90 and 365 days compared with the most affluent patients. Introduction: To identify whether social deprivation has any effect on mortality risk after emergency admission with hip fracture and to determine whether any increased mortality observed among deprived groups was associated with patient and hospital-related factors. Methods: We used routine, linked hospital inpatient and mortality data for emergency admissions with a hip fracture in both England and Wales between 2004 and 2011. Mortality rates at 30, 90 and 365 days were reported. Logistic regression was used to identify any significant increases in mortality with higher levels of social deprivation and the influence of other risk factors on any increased mortality among the most deprived group. Results: Mortality rates at 30, 90 and 365 days were 9.3, 17.4 and 29.0 % in England and 8.3, 16.1 and 27.9 % in Wales. Social deprivation was significantly associated with increased mortality in the most deprived quintile compared with the least deprived quintile at 30, 90 and 365 days in England (OR = 1.187, 1.185 and 1.154, respectively) and at 90 and 365 days in Wales (1.135 and 1.203). There was a little interaction between deprivation and other risk factors influencing 30- and 365-day mortality except for patient age, pre-fracture residence and hospital size. Conclusions: We demonstrated a positive association between social deprivation and increased mortality at 30 days post-admission for hip fracture in both England and Wales that was still evident at 90 and 365 days. We found little influence of other factors on social inequalities in mortality risk at 30 and 365 days post-admission. [ABSTRACT FROM AUTHOR]

Background: Snow's work on the Broad Street map is widely known as a pioneering example of spatial epidemiology. It lacks, however, two significant attributes required in contemporary analyses of disease incidence: population at risk and the progression of the epidemic over time. Despite this has been repeatedly suggested in the literature, no systematic investigation of these two aspects was previously carried out. Using a series of historical documents, this study constructs own data to revisit Snow's study to examine the mortality rate at each street location and the space-time pattern of the cholera outbreak. Methods: This study brings together records from a series of historical documents, and prepares own data on the estimated number of residents at each house location as well as the space-time data of the victims, and these are processed in GIS to facilitate the spatial-temporal analysis. Mortality rates and the space-time pattern in the victims' records are explored using Kernel Density Estimation and network-based Scan Statistic, a recently developed method that detects significant concentrations of records such as the date and place of victims with respect to their distance from others along the street network. The results are visualised in a map form using a GIS platform. Results: Data on mortality rates and space-time distribution of the victims were collected from various sources and were successfully merged and digitised, thus allowing the production of new map outputs and new interpretation of the 1854 cholera outbreak in London, covering more cases than Snow's original report and also adding new insights into their space-time distribution. They confirmed that areas in the immediate vicinity of the Broad Street pump indeed suffered from excessively high mortality rates, which has been suspected for the past 160 years but remained unconfirmed. No distinctive pattern was found in the space-time distribution of victims' locations. Conclusions: The high mortality rates identified around the Broad Street pump are consistent with Snow's theory about cholera being transmitted through contaminated water. The absence of a clear space-time pattern also indicates the water-bourne, rather than the then popular belief of air bourne, nature of cholera. The GIS data constructed in this study has an academic value and would cater for further research on Snow's map. [ABSTRACT FROM AUTHOR]

Introduction National clinical audit seeks to enhance the quality of care of the 75,000 people who break their hip in the UK each year. A key aim for the National Hip Fracture Database (NHFD) is to encourage secondary fracture prevention through bone health assessment and the appropriate provision of anti-osteoporosis medication (AOM). We set out to describe trends in anti-osteoporosis medication prescription, and to examine the types of oral and injectable AOM being prescribed both before and after a hip fracture. Method We used data freely available from the NHFD www.nhfd.co.uk to analyse trends in oral and injectable AOM prescription across a quarter of a million patients presenting between 2016 and 2020, and more detailed information on the individual type of AOM prescribed for 63,284 patients from 171 hospitals in England and Wales who presented in 2020. Results Most patients (88.2%) were not taking any AOM when they presented with hip fracture. Half of all patients (49.9%) were prescribed AOM treatment by the time of discharge, but the proportion deemed 'inappropriate for AOM' varied hugely (0.2–83.6%) in different hospitals. Nearly two thirds (64%) of those who were previously taking an oral bisphosphonate were simply discharged on the same type of medication. The total number of patients started on oral medication fell by 11.4% over 5 years. The number started on injectable AOM almost doubled to 14.4% over the same period, but remains hugely variable across the country, with rates ranging 0–67% across different units. Conclusion A recent hip fracture is a strong risk factor for future fractures. If teams are to learn from each other's experience and patients are to be protected against further fragility fractures the huge variability in approaches, and in particular to the use of injectables, in different trauma units across England and Wales requires further investigation. [ABSTRACT FROM AUTHOR]

Introduction Older adults who sustain a hip fracture require complex multidisciplinary care, which can challenge organisational structures within hospitals. Despite standards and guidelines, substantial variation remains in hip fracture care delivery across the UK. We aimed to determine which hospital-level organisational factors predict adverse patient outcomes in the post injury period. Method A cohort of 178,757 patients aged 60+ years in England and Wales (2016–19) who sustained a hip fracture was examined. Patient-level Hospital Episodes Statistics, National Hip Fracture Database, and mortality data were linked to metrics from 18 hospital-level organisational audits/reports/series. Multilevel models determined the organisational factors, independent of patient case-mix, associated with three patient outcomes: length of hospital stay (LOS), 30-day all-cause mortality, and emergency 30-day readmission. Results Overall LOS was mean 21 days (standard deviation, 20); 13,126 (7.3%) died within 30-days; and 25,239 (15.3%) were readmitted. 25 organisational factors independently predicted LOS: for example, a hospital's ability to promptly mobilise ≥90% of patients was associated with a 2-day (95%CI:1.3–2.7) shorter LOS, and hospitals where all patients received orthogeriatric assessment within 72 hours of admission had mean 1.5-day (95%CI:0.6–2.3) shorter LOS. Ten organisational factors independently predicted 30-day mortality: providing prompt surgery (≤36 hours from admission) to >80% patients was associated with the same 10% reduction in mortality (95%CI:4–15%), as was discussion of 'patient experience' feedback at clinical governance meetings (95%CI:5–15%). Nine organisational factors independently predicted readmission: knowledge of time from discharge to start of community therapy was associated with 17% (95%CI:9–24%) lower readmission rates. Organisational delivery of clinical governance, surgery, and physiotherapy were associated with all outcomes. Conclusion Multiple, potentially modifiable, organisational factors are associated with important patient outcomes post-hip fracture. These factors, if causal, indicate auditable components of hospital care where interventions can be targeted to reduce variability in hip fracture care delivery, to improve patient outcomes. [ABSTRACT FROM AUTHOR]

Conceptions and misconceptions about foreign models for law enforcement and criminal justice often shape reform debates in important ways by excluding certain options and promoting specific agendas, which are claimed to be more effective, humane or legitimate. This article analyses the reception of the ' English police model' in German debates between 1848 and 1914. It argues that the frequent references in German debates to English policing functioned as an important rhetorical device to promote certain reform agendas. Highly diverging projects for police reform were promoted in German debates under the label of the ' English model'. These projects bore only a partial resemblance to English principles of policing as the original model was deliberately misinterpreted or the elements presented as the ' English model' was limited to certain selected elements. Nevertheless, the ' English model' as a label had the important function in German debates of shaping which forms of police reform could be considered. Conversely, negative references to other foreign influences - notably French ones - served to undermine the credibility of existing institutions or competing reform projects. Accordingly the 'englischer Policeman' in German debates bears little connection to the original model and the English Bobby is only discernible as seen through a German monocle. [ABSTRACT FROM AUTHOR]

Background Nickel allergy is frequent and cause morbidity and increased health care costs. Objective The aim of this study was to determine the proportion of inexpensive earrings randomly purchased from stores and street markets in two capitals that gave positive dimethylglyoxime (DMG) test reactions and to determine whether the degree of nickel release was related to shop category. Methods Random inexpensive metallic earrings were purchased from stores and vendors in London and Warsaw. A qualitative investigation of nickel release by using the DMG test was performed. Results DMG testing revealed that respectively 15.1% ( n = 205) and 18.4% ( n = 206) of earrings purchased in London and Warsaw released nickel as indicated by positive test outcomes. Stratification by store category showed that DMG test-positive jewellery were mainly purchased from street markets and from stores that were not part of national or international chains. Conclusions Despite the EU Nickel Directive having resulted in decreasing prevalence of nickel allergy, a large proportion of inexpensive earrings still release nickel in concentrations that may result in nickel allergy and dermatitis. Authorities should prioritize information campaigns and random inspections as a legislation that is not followed is of limited value. [ABSTRACT FROM AUTHOR]

Focuses on the investigations of the London, England cholera epidemic in 1854. Local study of Broad Street outbreak; Presence of microscopic vibriones in the rice-water stools of cholera patients; Findings of the investigation of John Snow; Hypotheses grounded in pathophysiology.

Focuses on the life and works of Sir Richard Stone, economics professor at the University of Cambridge in Cambridge, England. Experience on working on several government assignments; Involvement on national income estimates and extensive national accounts for the country; Stand on the concept of laissez-faire.

Focuses on the actions of Dr. John Snow during the outbreak of cholera in London in 1854 and shows that other observers looked at more detailed information that Snow's and came to different conclusions regarding the cause of the outbreak. How he discovered the drinking water was contaminated; Details of Snow's investigation; When Snow drew his map.

The article focuses on hair dye allergies. For more than 100 years para-phenylenediamine (PPD) has been the main agent used in permanent hair dye, and more than two-thirds of hair dyes currently contain PPD. However, the properties of PPD that make it an effective hair dye agent also make it a potent contact allergen. A description of the symptoms of a person with contact allergy to a hair dye is presented. Details related to the increase of the frequency of positive reactions to PPD are discussed.

Discusses research being done on risk assessment tool in falling elderly inpatients. Reference to study by J. White et al, presented at the British Geriatrics Society Communications to the Autumn Meeting in Harrogate, England from October 6 to 8, 2004; Evaluation of the function of the assessment tool in rehabilitation setting; Methodology and result of the study.

Periprosthetic femoral fractures (PPFFs) represent an important healthcare problem, with a rising incidence noted due to an increase in the number of arthroplasty surgeries being performed. There is a current lack of national consensus as to how these complex, often frail patients are managed. Our primary aim was to present the epidemiology of PPFFs in England and Wales over the first two years of data collection by the National Hip Fracture Database (NHFD). Secondary aims included how well the NHFD Key Performance Indicators (KPIs) are met for PPFF patients, whether centres reporting a higher burden of PPFF patients are more likely to meet KPIs compared to lower volume centres, and to also identify if regional variation in care for these patients exist. Patients aged 60 years or over, admitted to any acute hospital in England or Wales with a PPFF within the period 1st January 2020 to 31st December 2021 were included. Fractures were classified using the Vancouver system. The primary outcome of interest was the incidence of PPFF in England and Wales. Secondary outcomes included i) geographical distribution, ii) pattern of injury, iii) treatment received, iv) KPI performance nationally, v) KPI performance by top 5 highest volume hospitals vs the rest, vi) KPI performance by region and vii) KPI performance compared with native hip fracture patients. A total of 5,566 PPFFs were reported during our study period. A 31 % increase in cases was seen between 2020 and 2021 (2,405 to 3,161). The South-West of England reported the highest burden of PPFFs (14 % of all cases reported in 2021). Vancouver B subtypes were most common around hip replacements (62 %) and C subtype around knee replacements (55 %). A total of 4,598 patients (82.6 %) underwent operative management. There was regional variation in KPI attainment. When compared to KPI attainment for native hip fractures PPFF care under performed in most regions and domains. High volume PPFF centres were not associated with improved attainment of KPIs. We have described the incidence, nature, and management of PPFF at national and regional levels using routinely collected NHFD data. Both numerically and due to case complexity, PPFF are a considerable challenge to patients and health services alike. This epidemiology is not captured by other existing datasets and increased case contribution to the NHFD is encouraged to improve understanding and enable prioritisation and delivery of further care and research. [ABSTRACT FROM AUTHOR]

Abstract: Background: The clinical state (i.e. ventricular fibrillation/tachycardia: VF/VT, asystole: ASY, pulseless electrical activity: PEA, or return of spontaneous circulation, ROSC) during cardiopulmonary resuscitation determines patient management. We investigate how spontaneous transitions (i.e. not forced by DC shock) between these states are influenced by factors like age, gender, bystander CPR, CPR quality, proportion of time spent in a state, or the number of state transitions. Methods: Detailed recordings from CPR attempts in 304 out-of-hospital cardiac arrests in Akershus (Norway), Stockholm (Sweden), and London (UK) were obtained from modified Heartstart 4000 defibrillators. Spontaneous state transitions were studied using a non-parametric intensity regression method that can handle dynamic factors like the state history properly. Results: The initial state tended to preserve itself, as did cumulative time in any state. Recent DC shock, bystander CPR, location, response time, gender, compression depth, and ventilation rate were important for some transitions. More ventilation during PEA might possibly avert development to ASY and favour ROSC; otherwise observed variations in CPR quality had little impact. Conclusion: Using a novel intensity regression approach we studied the influence of various factors on spontaneous (i.e. non-shock) state transitions during CPR. State development was largely determined by the initial state, the proportion of time spent in a state, and the transition frequency; all probably reflecting the underlying aetiology. [Copyright &y& Elsevier]

Introduction: Hip fractures are common and cause a huge socioeconomic burden to patients, their carers, and healthcare services worldwide. Our aim was to examine how much hip fracture numbers would be expected to rise over coming decades, simply as a consequence of the ageing of the population., Methods: We used data from the National Hip Fracture Database on the volume of hip fractures occurring in England, Wales and Northern Ireland in the year 2019 (n = 67,210). We projected future numbers of hip fractures by applying this number, assuming stable rates, to population growth forecast data provided by the Office for National Statistics up to the year 2060., Results: By 2060, the number of hip fractures occurring in England, Wales and Northern Ireland are projected to increase by 107 % (n = 139,105). In males, there was an estimated increase of 130 % compared with 97 % in females. There was an estimated increase across all age ranges, however the oldest age groups demonstrated the largest relative increases. The estimated increase for those aged 90 years or over was as high as 348 % and 198 % for males and females, respectively., Conclusion: As a consequence of future ageing of the population, the demand on the health service posed by people with hip fracture is projected to more than double by the year 2060. Policymakers should be striving to mitigate against the huge public health impact of these projections by maximising fracture prevention strategies as far as possible and by improving the quality of hip fracture care., Competing Interests: Declaration of competing interest MW undertakes teaching on basic sciences for Orthopaedic trainees preparing for the FRCS. His institution receives market rate payment for this teaching from Heraeus. He undertakes teaching on total hip replacement for Orthopaedic Consultants and trainees. His institution receives market rate payment for this teaching from DePuy. He is PI on a commercially funded grant (CeramTec) investigating the outcome of ceramic bearings in total hip replacement. He is PI of the National Joint Registry lot 2 contract (statistical analysis) team. GM has received personal fees for undertaking medicolegal work for Leigh Day. AJu has received consultancy fees from Freshfields Bruckhaus Deringer and has held advisory board positions (which involved receipt of fees) from Anthera Pharmaceuticals, INC. TM, DC, SH, AJo have no conflicts of interest., (Copyright © 2024 Elsevier Ltd. All rights reserved.)

Aims: To determine if patient ethnicity among patients with a hip fracture influences the type of fracture, surgical care, and outcome., Methods: This was an observational cohort study using a linked dataset combining data from the National Hip Fracture Database and Hospital Episode Statistics in England and Wales. Patients' odds of dying at one year were modelled using logistic regression with adjustment for ethnicity and clinically relevant covariates., Results: A total of 563,640 patients were included between 1 April 2011 and 1 October 2020. Of these, 476,469 (85%) had a coded ethnicity for analysis. Non-white patients tended to be younger (mean 81.2 vs 83.0 years), and were more commonly male (34.9% vs 28.5%; p < 0.001). They were less likely to be admitted from institutional care (12.9% vs 21.8%; p < 0.001), to have normal cognition (53.3% vs 62.0%; p < 0.001), and to be free of comorbidities (22.0% vs 26.8%; p < 0.001), but were more likely to be from the most deprived areas (29.4% vs 17.3%; p < 0.001). Non-white patients were more likely to experience delay to surgery for medical reasons (14.8% vs 12.7%; p < 0.001), more likely to be treated with an intramedullary nail or a sliding hip screw (52.5% vs 45.1%; p < 0.001), and less likely to be mobilized by the day after surgery (74.3% vs 79.0%; p < 0.001). Mortality was higher among non-white inpatients (9.2% vs 8.4% for white), but was lower at one year after hip fracture (26.6% vs 30.3%)., Conclusion: Our study identified serious problems with the quality of NHS ethnicity data. Despite this, we have shown that there is complex variation in case-mix and hip fracture morphology between ethnic groups. We have also identified variations in care received between ethnic groups, and that disparities in healthcare may contribute to poorer outcome. Inpatient mortality is higher in non-white patients, although this finding reverses after discharge, and one-year mortality is lower. Patients from ethnic minority backgrounds experience disparities in healthcare, however at one year postoperatively non-white patients have a statistically significant lower mortality after controlling for relevant clinical covariates., Competing Interests: S. Nisar and H. Pandit report receipt of the RCSEd Pump-Priming Grant (paid to Leeds Institute of Rheumatic and Musculoskeletal Medicine), related to this study. A. Johansen reports an unpaid position as Geriatrician Clinical Lead at the National Hip Fracture Database (NHFD), the national clinical audit of this condition. A. Johansen’s hospital is reimbursed for his time by the Royal College of Physicians, which manages the NHFD., (© 2024 The British Editorial Society of Bone & Joint Surgery.)

Background: Hip fracture care delivery varies between hospitals, which might explain variations in patient outcomes and health costs. The aim of this study was to identify hospital-level organisational factors associated with long-term patient outcomes and costs after hip fracture., Methods: REDUCE was a record-linkage cohort study in which national databases for all patients aged 60 years and older who sustained a hip fracture in England and Wales were linked with hospital metrics from 18 organisational data sources. Multilevel models identified organisational factors associated with the case-mix adjusted primary outcomes: cumulative all-cause mortality, days spent in hospital, and inpatient costs over 365 days after hip fracture., Findings: Between April 1, 2016, and March 31, 2019, 178 757 patients with an index hip fracture were identified from 172 hospitals in England and Wales. 126 278 (70·6%) were female, 52 479 (29·4%) were male, and median age was 84 years (IQR 77-89) in England and 83 years (77-89) in Wales. 365 days after hip fracture, 50 354 (28·2%) patients had died. Patients spent a median 21 days (IQR 11-41) in hospital, incurring costs of £14 642 (95% CI 14 600-14 683) per patient, ranging from £10 867 (SD 5880) to £23 188 (17 223) between hospitals. 11 organisational factors were independently associated with mortality, 24 with number of days in hospital, and 25 with inpatient costs. Having all patients assessed by an orthogeriatrician within 72 h of admission was associated with a mean cost saving of £529 (95% CI 148-910) per patient and a lower 365-day mortality (odds ratio 0·85 [95% CI 0·76-0·94]). Consultant orthogeriatrician attendance at clinical governance meetings was associated with cost savings of £356 (95% CI 188-525) and 1·47 fewer days (95% CI 0·89-2·05) in the hospital in the 365 days after hip fracture per patient. The provision of physiotherapy to patients on weekends was associated with a cost saving of £676 (95% CI 67-1285) per patient and with 2·32 fewer days (0·35-4·29) in hospital in the 365 days after hip fracture., Interpretation: Multiple, potentially modifiable hospital-level organisational factors associated with important clinical outcomes and inpatient costs were identified that should inform initiatives to improve the effectiveness and efficiency of hip fracture services., Funding: Versus Arthritis., Competing Interests: Declaration of interests PB reports funding by the European Commission (grant reference H2020-MSCA- ITN-2017 grant agreement identifier 7651141) and from the Hungarian Ministry of Innovation and Technology (grant reference 1783-3/2018/FEKUTSTRAT and TKP2020-IKA-02). AJu reports grants from National Institute for Health and Care Research (NIHR), Health Data Research UK, Versus Arthritis, Healthcare Quality Improvement Partnership, Royal College of Physicians, and Tommy's Health Foundation; chairs a data monitoring committee (NIHR Health Technology Assessment of the DISC trial at the University of Leicester, Leicester, UK) and a trial steering committee (NIHR Health Technology Assessment of the Gentle Years Yoga Trial, Newcastle University, Newcastle, UK); is a member of a steering committee at Nuffield Foundation (Multilevel Integrated Data for musculoskeletal health intelligence and Actions, University of Keele, Keele, UK); is a data monitoring committee member at Robotic Arthroplasty (RACER trial, Clinical Trials Unit, University of Warwick, Warwick, UK); is a sub-panel member of the NIHR Programme Grants for Applied Research programme; is on the Versus Arthritis Health Subcommittee; is co-chair of the Versus Arthritis Research Expert group; and is a member of the Nuffield Foundation Oliver Bird Fund Expert Panel. AJo is the clinical lead for the National Hip Fracture Database at the Royal College of Physicians, London, UK. JG reports an educational contract with Stryker that does not entail any relationships or activities that could have influenced the submitted work. TC is a member of the National Hip Fracture Database Advisory Board; has design and educational contracts with Stryker, Acumed, and Swemac; was a representative of the British Orthopaedic Association; previously sat on the board of the Falls and Fragility Fracture Audit Project (which includes the National Hip Fracture Database); and helped set up and perform British Orthopaedic Association multidisciplinary peer reviews for hip fractures. XLG reports funding from the NIHR Health Technology Assessment Programme; multiple other grants from NIHR for specific projects unrelated to this work; and consultancy fees from Johnson & Johnson and Stryker. MKJ reports honoraria, unrestricted research grants, and travel or subsistence expenses from Amgen, Consilient Health, Kyowa Kirin Hakin, UCB, AbbVie, Sanofi, and Besin Healthcare; participation in the committees or boards of Regeneron, International Osteoporosis Foundation Capture the Fracture Steering Committee, Fracture Liaison Service Database of England and Wales, and medical advisory board of Brittle Bone Society and Fibrous Dysplasia Support Society UK. ECB reports funding from the UK Prevention Research Partnership (Violence, Health and Society; grant reference MR-VO49879/1), the British Heart Foundation, the Scottish Government Health and Social Care Directorates, Engineering and Physical Sciences Research Council, Economic and Social Research Council, Health and Social Care Research and Development Division (Welsh Government), Medical Research Council, NIHR, Natural Environment Research Council, Public Health Agency (Northern Ireland), the Health Foundation, and the Wellcome Trust. YB-S reports book royalties from Oxford University Press and Wiley; consulting fees from Human Centric Drug Discovery; and is a member of the trial steering committee of the SIMPLIFIED trial. EMRM reports research funding from CeramTec UK, NIHR, Medical Research Council, and the Healthcare Quality Improvement Partnership; is a steering group committee advisor for an NIHR Health Services and Delivery Research grant and an NIHR Health Technology Assessment grant; and a committee member for the NIHR Research for Patient Benefit funding scheme since 2017 and NIHR Programme Grant for Applied Research funding scheme since 2023. CLG reports research grants from Wellcome Trust, Royal Osteoporosis Society, Chan Zuckerberg Donor Advised Fund, and Versus Arthritis; and is a Chair of the National Osteoporosis Guideline Group and a member of the Royal College of Physicians Falls and Fragility Fracture Scientific committee. RP reports funding from CeramTec UK on an unrelated study and after completion of the analyses for the present Article., (Copyright © 2023 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license. Published by Elsevier Ltd.. All rights reserved.)

Hip fractures are strong risk factors for further fractures. However, using the National Hip Fracture Database, we observed that in England and Wales, 64% of patients admitted on oral bisphosphonates were discharged on the same and injectable drug use varies from 0-67% and 0.2%-83.6% were deemed "inappropriate" for bone protection. This variability requires further investigation., Introduction: A key aim for the National Hip Fracture Database (NHFD) is to encourage secondary fracture prevention of the 75,000 patients who break their hip annually in the UK, through bone health assessment and appropriate provision of anti-osteoporosis medication (AOM). We set out to describe trends in anti-osteoporosis medication prescription and examine the types of oral and injectable AOMs being prescribed both before and after a hip fracture., Methods: We used data freely available from the NHFD  www.nhfd.co.uk  to analyse trends in oral and injectable AOM prescription across a quarter of a million patients presenting between 2016 and 2020, and more detailed information on the individual type of AOM prescribed for 63,705 patients from 171 hospitals in England and Wales who presented in 2020., Results: Most patients (88.3%) are not taking any AOM when they present with a hip fracture. Half of all patients (50.8%) were prescribed AOM treatment by the time of discharge, but the proportion deemed 'inappropriate for AOM' varied hugely (0.2-83.6%) in different hospitals. Nearly two-thirds (64.2%) of those previously taking an oral bisphosphonate were simply discharged on the same type of medication. The total number of patients discharged on oral medication fell by over a quarter in these five years. The number discharged on injectables increased by nearly three-quarters to 14.2% over the same period, but remains hugely variable across the country, with rates ranging from 0-67% across different units., Conclusion: A recent hip fracture is a strong risk factor for future fractures. The huge variability in approaches, and in particular the use of injectables, in different trauma units across England and Wales requires further investigation., (© 2023. Crown.)

Purpose: To investigate whether the rate of Anti-Osteoporosis Medication (AOM) dispensing was related to prevalence of risk factors and hip fracture incidence in the local population., Methods: The Open Prescribing database was used to analyse dispensed AOM at the level of Clinical Commissioning Groups (CCGs) in England. Male Healthy Life Expectancy (MHLE), Female Healthy Life Expectancy (FHLE), the prevalence of smoking and active adults, the incidence of hip fracture and of alcohol related hospital admissions, and local dispensing of a comparator drug (atorvastatin) were considered as predictor variables. Linear and multilinear regression were performed. Using atorvastatin as a comparator, AOM dispensing was compared after the start of the Covid-19 pandemic with the same quarter the previous year., Results: Rates of AOM per 1000 people aged over 65 years in a CCG area varied between 379.2 and 1129.1, with a mean of 670.3. Population risk factors were individually related to the amount of AOM dispensed in an area. Collectively, local activity levels in adults (p = 0.042) and local hip fracture incidence (p = 0.003) were significantly negatively correlated with rates of AOM dispensed. Rates of alendronate dispensing fell significantly at the start of the Covid-19 pandemic (p < 0.001), whilst atorvastatin dispensing rates significantly increased (p < 0.001)., Conclusion: Lower rates of AOM dispensing were seen in areas with a higher proportion of active adults and higher incidence of hip fracture. Multidisciplinary services should be developed to address this care gap with consideration given to local population risk factors. Community pharmacists are ideally placed to play a vital role in osteoporosis management., (© 2022 The Authors. Pharmacoepidemiology and Drug Safety published by John Wiley & Sons Ltd.)

Aims: Hip fracture commonly affects the frailest patients, of whom many are care-dependent, with a disproportionate risk of contracting COVID-19. We examined the impact of COVID-19 infection on hip fracture mortality in England., Methods: We conducted a cohort study of patients with hip fracture recorded in the National Hip Fracture Database between 1 February 2019 and 31 October 2020 in England. Data were linked to Hospital Episode Statistics to quantify patient characteristics and comorbidities, Office for National Statistics mortality data, and Public Health England's SARS-CoV-2 testing results. Multivariable Cox regression examined determinants of 90-day mortality. Excess mortality attributable to COVID-19 was quantified using Quasi-Poisson models., Results: Analysis of 102,900 hip fractures (42,630 occurring during the pandemic) revealed that among those with COVID-19 infection at presentation (n = 1,120) there was a doubling of 90-day mortality; hazard ratio (HR) 2.09 (95% confidence interval (CI) 1.89 to 2.31), while the HR for infections arising between eight and 30 days after presentation (n = 1,644) the figure was greater at 2.51 (95% CI 2.31 to 2.73). Malnutrition (1.45 (95% CI 1.19 to 1.77)) and nonoperative treatment (2.94 (95% CI 2.18 to 3.95)) were the only modifiable risk factors for death in COVID-19-positive patients. Patients who had tested positive for COVID-19 more than two weeks prior to hip fracture initially had better survival compared to those who contracted COVID-19 around the time of their hip fracture; however, survival rapidly declined and by 365 days the combination of hip fracture and COVID-19 infection was associated with a 50% mortality rate. Between 1 January and 30 June 2020, 1,273 (99.7% CI 1,077 to 1,465) excess deaths occurred within 90 days of hip fracture, representing an excess mortality of 23% (99.7% CI 20% to 26%), with most deaths occurring within 30 days., Conclusion: COVID-19 infection more than doubles the rate of early hip fracture mortality. Those contracting infection between 8 and 30 days after initial presentation are at even higher mortality risk, signalling the potential for targeted interventions during this period to improve survival.Cite this article: Bone Joint J  2022;104-B(10):1156-1167.

Introduction: Substantial variation in the delivery of hip fracture care, and patient outcomes persists between hospitals, despite established UK national standards and guidelines. Patients' outcomes are partly explained by patient-level risk factors, but it is hypothesised that organisational-level factors account for the persistence of unwarranted variation in outcomes. The mixed-methods REducing unwarranted variation in the Delivery of high qUality hip fraCture services in England and Wales (REDUCE) study, aims to determine key organisational factors to target to improve patient care., Methods and Analysis: Quantitative analysis will assess the outcomes of patients treated at 172 hospitals in England and Wales (2016-2019) using National Hip Fracture Database data combined with English Hospital Episodes Statistics; Patient Episode Database for Wales; Civil Registration (deaths) and multiple organisational-level audits to characterise each service provider. Statistical analyses will identify which organisational factors explain variation in patient outcomes, and typify care pathways with high-quality consistent patient outcomes. Documentary analysis of 20 anonymised British Orthopaedic Association hospital-initiated peer-review reports, and qualitative interviews with staff from four diverse UK hospitals providing hip fracture care, will identify barriers and facilitators to care delivery. The COVID-19 pandemic has posed a major challenge to the resilience of services and interviews will explore strategies used to adapt and innovate. This system-wide understanding will inform the development, in partnership with key national stakeholders, of an 'Implementation Toolkit' to inform and improve commissioning and delivery of hip fracture services., Ethics and Dissemination: This study was approved: quantitative study by London, City and East Research Ethics Committee (20/LO/0101); and qualitative study by Faculty of Health Sciences University of Bristol Research Ethics Committee (Ref: 108284), National Health Service (NHS) Health Research Authority (20/HRA/71) and each NHS Trust provided Research and Development approval. Findings will be disseminated through scientific conferences, peer-reviewed journals and online workshops., Competing Interests: Competing interests: None for RP, SD, XLG, TJ, JG, MB, KW, ECB, YB-S, RG-H, CLG. AJohansen is the clinical lead for the National Hip Fracture Database, in the Royal College of Physicians, London. TC is the British Orthopaedic Association (BOA) representative and sits on the board of the Falls and Fragility Fracture Audit Project (which includes the National Hip Fracture Database), he helped set up and perform many of the BOA multidisciplinary peer reviews for hip fractures, he has design and educational contracts with Stryker, Acumed and Swemac. MKJ has received honoraria, unrestricted research grants, travel and/or subsistence expenses from: Amgen, Consilient Health, Kyowa Kirin Hakin, UCB, Abbvie. EMRM has received funds for an unrelated independent study sponsored by CeramTec UK limited. AJudge has received consultancy fees from Freshfields, Bruckhaus, Derringer and Anthera Pharmaceuticals Ltd., (© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY. Published by BMJ.)

Objective: to describe differences in care and 30-day mortality of patients admitted with hip fracture on weekends (Saturday-Sunday) compared to weekdays (Monday-Friday), and their relationship to the organisation of care., Methods: data came from the National Hip Fracture Database (NHFD) linked to ONS mortality data on 52,599 patients presenting to 162 units in England between 1 January and 31 December 2014. This was combined with information on geriatrician staffing and major trauma centre (MTC) status. 30-day mortality and care were compared for patients admitted at weekends and weekdays; separately for patients treated in units grouped by the mean level of input by geriatricians, weekend geriatrician clinical cover and MTC status. Differences were adjusted for variation in patients' characteristics., Results: there was no evidence of differences in 30-day mortality between patients admitted at weekends compared to weekdays (7.2 vs 7.5%, P = 0.3) before or after adjusting for patient characteristics in either MTCs or general hospitals. The proportion receiving a preoperative geriatrician assessment was lower at weekends (42.8 vs 60.7%, P < 0.001). 30-day mortality was lower in units with higher levels of geriatrician input, but there was no weekend mortality effect associated with lower levels of input or absence of weekend cover., Conclusion: there was no evidence of a weekend mortality effect among patients treated for hip fracture in the English NHS. It appears that clinical teams provide comparably safe and effective care throughout the week. However, greater geriatrician involvement in teams was associated with overall lower mortality.

Despite the importance of fractures as an economic and health problem, and consequent interest in osteoporosis, few workers have previously attempted to define the overall incidence of fracture. This population based study was based in the Accident and Emergency Department of Cardiff Royal Infirmary and identified all patients presenting with fractures of any type. Over a single year a total of 6467 fractures were identified among the 306,600 people who live in the city of Cardiff. This gives an overall fracture incidence of 21.1/1000/year, (23.5/1000/year in males and 18.8/1000/year in females); a result very similar to those from similar work in the USA, Australia and Norway. This result is over twice the previous estimate of fracture incidence in the UK; the figure of 9/1000/year from the only equivalent study performed since the 1960s. In part, this discrepancy appears to reflect our more rigorous definition of the study population, and our improved ascertainment of minor fractures. We believe our result to offer the most accurate estimate of fracture incidence currently available for a UK population.