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1. Disability adjusted life years associated with COVID-19 in Denmark in the first year of the pandemic

Author

Sara M. Pires, Hernan G. Redondo, Laura Espenhain, Lea S. Jakobsen, Rebecca Legarth, Marianna Meaidi, Anders Koch, Siri Tribler, Tomas Martin-Bertelsen, and Steen Ethelberg

Subjects
Burden of disease, DALY, YLD, YLL, Population health, Denmark, Public aspects of medicine, RA1-1270
Abstract

Abstract Background Burden of disease studies measure the public health impact of a disease in a society. The aim of this study was to quantify the direct burden of COVID-19 in the first 12 months of the epidemic in Denmark. Methods We collected national surveillance data on positive individuals for SARS-CoV-2 with RT-PCR, hospitalization data, and COVID-19 mortality reported in the period between 26th of February, 2020 to 25th of February, 2021. We calculated disability adjusted life years (DALYs) based on the European Burden of Disease Network consensus COVID-19 model, which considers mild, severe, critical health states, and premature death. We conducted sensitivity analyses for two different death-registration scenarios, within 30 and 60 days after first positive test, respectively. Results We estimated that of the 211,823 individuals who tested positive to SARS-CoV-2 by RT-PCR in the one-year period, 124,163 (59%; 95% uncertainty interval (UI) 112,782–133,857) had at least mild symptoms of disease. The total estimated disease burden was 30,180 DALYs (95% UI 30,126; 30,242), corresponding to 520 DALYs/100,000. The disease burden was higher in the age groups above 70 years of age, particularly in men. Years of life lost (YLL) contributed with more than 99% of total DALYs. The results of the scenario analysis showed that defining COVID-19-related fatalities as deaths registered up to 30 days after the first positive test led to a lower YLL estimate than when using a 60-days window. Conclusion COVID-19 led to a substantial public health impact in Denmark in the first full year of the epidemic. Our estimates suggest that it was the the sixth most frequent cause of YLL in Denmark in 2020. This impact will be higher when including the post-acute consequences of COVID-19 and indirect health outcomes.

Published
2022
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2. Burden of Disease of COVID-19: Strengthening the Collaboration for National Studies

Author

Sara Monteiro Pires, Grant M. A. Wyper, Annelene Wengler, José L. Peñalvo, Romana Haneef, Declan Moran, Sarah Cuschieri, Hernan G. Redondo, Robby De Pauw, Scott A. McDonald, Lynelle Moon, Jad Shedrawy, Elena Pallari, Periklis Charalampous, Brecht Devleesschauwer, and Elena Von Der Lippe

Subjects
DALY, disability-adjusted life year, COVID-19, coronavirus, capacity building, European Burden of Disease Network, Public aspects of medicine, RA1-1270
Abstract

ObjectivesQuantifying the combined impact of morbidity and mortality is a key enabler to assessing the impact of COVID-19 across countries and within countries relative to other diseases, regions, or demographics. Differences in methods, data sources, and definitions of mortality due to COVID-19 may hamper comparisons. We describe efforts to support countries in estimating the national-level burden of COVID-19 using disability-adjusted life years.MethodsThe European Burden of Disease Network developed a consensus methodology, as well as a range of capacity-building activities to support burden of COVID-19 studies. These activities have supported 11 national studies so far, with study periods between January 2020 and December 2021.ResultsNational studies dealt with various data gaps and different assumptions were made to face knowledge gaps. Still, they delivered broadly comparable results that allow for interpretation of consistencies, as well as differences in the quantified direct health impact of the pandemic.DiscussionHarmonized efforts and methodologies have allowed for comparable estimates and communication of results. Future studies should evaluate the impact of interventions, and unravel the indirect health impact of the COVID-19 crisis.

Published
2022
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3. Burden of Disease of Dietary Exposure to Four Chemical Contaminants in Denmark, 2019

Author

Sofie Theresa Thomsen, Lea S. Jakobsen, Hernan G. Redondo, Malene Outzen, Sisse Fagt, Brecht Devleesschauwer, Max Hansen, Freja A. Fabricius, and Sara M. Pires

Subjects
DALY, Lead, Health, Toxicology and Mutagenesis, Healh impact, Public Health, Environmental and Occupational Health, Methylmercury, Pollution, Water Science and Technology, Arsenic, Cadmium, Diet
Abstract

Exposure to chemical contaminants found in foods has been associated with diverse adverse health effects. The aim of this study was to estimate the burden of disease associated with dietary exposure to four chemicals in Denmark in 2019: lead (Pb), cadmium (Cd), methylmercury (MeHg), and inorganic arsenic (i-As). We collected national food consumption and chemical food monitoring data from Danish databases, dose-response and severity data from the scientific literature, and disease incidence and population numbers from national statistics. We adopted a risk assessment approach to estimate disease burden, quantifying incidence, mortality, and Disability-Adjusted Life Years (DALYs) attributable to dietary exposure to the chemicals. In all models, we propagated uncertainty around the input parameters through the calculations using Monte Carlo simulation. We estimated that, among these chemicals, Pb and MeHg were responsible for the highest disease burden. MeHg led to the loss of nearly 600 healthy life years, or approximately 10 DALYs per 100,000 inhabitants. Dietary exposure to Pb was estimated to cause 383 to 1,261 DALYs, corresponding to 6.6 (lower bound) to 22 (upper bound) DALYs/100,000 per year. The foods contributing most to disease burden were fish (MeHg) and sweets, fruit, and bread and cereals (Pb). The burden attributed to dietary exposure to i-As (5 DALYs) and Cd (0.04 DALY) was substantially lower. Interpretation of estimates needs to consider all underlying uncertainties, linked with data and knowledge gaps. These estimates are useful supplements to traditional risk assessment to guide food safety interventions and inform dietary guidelines for different population groups.

Published
2022

4. Burden of Disease of Dietary Exposure to Four Chemical Contaminants in Denmark in 2019

Author

Sofie T. Thomsen, Lea S. Jakobsen, Hernan G. Redondo, Malene Outzen, Sisse Fagt, Brecht Devleesschauwer, Max Hansen, Freja A. Fabricius, and Sara M. Pires

Abstract

Exposure to chemical contaminants found in foods has been associated with diverse adverse health effects. The aim of this study was to estimate the burden of disease associated with dietary exposure to four chemicals in Denmark in 2019: lead (Pb), cadmium (Cd), methylmercury (MeHg) and inorganic arsenic (i-As). We collected national food consumption and chemical food monitoring data from Danish data bases, dose-response and severity data from the scientific literature, and disease incidence and population numbers from national statistics. We adopted a risk assessment approach to estimate disease burden, quantifying the incidence, mortality and Disability-Adjusted Life Years (DALYs) attributable to dietary exposure to the chemicals. In all models, we propagated uncertainty around the input parameters through the calculations using Monte Carlo simulation. We estimated that, among these chemicals, Pb and MeHg were responsible for the highest disease burden. MeHg led to the loss of nearly 600 healthy life years, or approximately 10 DALYs per 100,000 inhabitants. Dietary exposure to Pb was estimated to cause 383 to 1,261 DALYs, corresponding to 6.6 (lower bound) to 22 (upper bound) DALYs/100,000 per year. The foods contributing most to disease burden were fish (MeHg) and sweets, fruit, and bread and cereals (Pb). The burden attributed to dietary exposure to i-As (5 DALYs) and Cd (0.04 DALY) was substantially lower. These estimates are useful supplements to traditional risk assessment to guide food safety interventions and inform dietary guidelines for different population groups.

Published
2021

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