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Background: Friedman's standards, developed almost 50 years ago, may no longer align with the needs of today's obstetric population and current pregnancy management practices. This study aims to analyze contemporary labor patterns and estimate labor duration in China, focusing on first-stage labor data from Chinese parturients with a spontaneous onset of labor. Methods: This retrospective observational study utilized data from electronic medical records of a tertiary hospital in Changsha, Hunan. Out of a total of 2,689 parturients, exclusions were made for multiple gestations, preterm, post-term, or stillbirth, cesarean delivery, non-vertex presentation, and neonatal intensive care unit admission. Average labor curves were constructed by parity using repeated-measure analysis, and labor duration was estimated through interval-censored regression, stratified by cervical dilation at admission. We performed an analysis to assess the impact of oxytocin augmentation and amniotomy on labor progression and conducted a sensitivity analysis using women with complicated outcomes. Results: Nulliparous women take over 180 minutes for cervical dilation from 3 to 4 cm, and the duration from 5 to 6 cm exceeds 145 minutes. Multiparous women experience shorter labor durations than nulliparous. Labor acceleration is observed after 5 cm in nulliparous, but no distinct inflection point is evident in the average labor curve. In the second stage of labor, the 95th percentile for nulliparous, with and without epidural analgesia, is 142 minutes and 127 minutes, respectively. Conclusions: These findings provide valuable insights for the reassessment of labor and delivery processes in contemporary obstetric populations, including current Chinese obstetric practice. [ABSTRACT FROM AUTHOR]

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A number of studies have identified that gut microbiota influences the development of cancer. However, there is little known about gut microbiota and esophageal cancer (EC). The aim of this study was to investigate the gut microbiota profile associated with EC. In this study, 23 patients with EC and 23 sex- and age-matched healthy controls (NC) were recruited between July 2019 and August 2019 at Huai'an First People's Hospital (Huai'an, China) and the gut microbiota was analyzed by 16S rRNA gene sequencing of fresh stool samples. We found that the microbial richness of intestinal flora in patients with EC were higher than NC, whereas evenness did not change obviously. Principal coordinate analysis (PCoA) and Unweighted Pair Group Method with Arithmetic Mean (UPGMA) analysis both revealed that a distinct separation in bacterial community composition between the EC and NC. At the phylum level, the EC group showed significantly higher abundances of Firmicutes and Actinobacteria, but a lower Bacteroidetes than NC. At the genus level, a significantly increased abundance of Streptococcus, Bifidobacterium, Subdoligranulum, Blautia, Romboutsia, Collinsella, Paeniclostridium, Dorea, and Atopobium were observed in EC patients, while Lachnospira, Bacteroides, Agathobacter, Lachnoclostridium, Parabacteroides, Paraprevotella, Butyricicoccus, Tyzzerella, Fusicatenibacter, and Sutterella were reduced. Receiver operating characteristic (ROC) analysis revealed that Lachnospira , Bacteroides , Streptococcus , and Bifidobacterium both achieved a high accuracy in EC diagnosis (area under the curve was more than 0.85), and the Lachnospira was found to be the best classifier. This study firstly characterized the gut microbiota composition of EC patients and screened out the optimal potential microbiota biomarkers for EC diagnosis. It may provide a fundamental reference for further studies on the gut microbiome for the diagnosis and treatment of EC. • There was a distinct separation in bacterial community composition between the EC patients and healthy individuals. • Compared with healthy individuals, the abundance of short chain fatty acids (SCFA)-producing bacteria decreased and the abundance of lipopolysaccharide (LPS) -producing bacteria increased in EC patients. • Receiver operating characteristic (ROC) analysis revealed Lachnospira , Bacteroides , Streptococcus , and Bifidobacterium both achieved a high accuracy in EC diagnosis (area under the curve were both more than 0.85), and the Lachnospira was found to be the best classifier. • The results of functional predictive analysis found that the functional feature of the gut microbiota in patients with EC was significantly different from the healthy individuals. [ABSTRACT FROM AUTHOR]

In China, alcohol-related impaired driving has been perceived as a crucial contributor to traffic accidents. However, the topic of driving after alcohol consumption is still understudied in the country. To fill this void, the aim of this study was to find out male drivers' unique experiences of drunk driving in China. A qualitative analysis was adopted based on semi-structured interviews with 38 Chinese male drunk drivers who were serving community corrections. The findings of this study revealed that, being regular alcohol consumers, Chinese male drunk drivers had very little knowledge of the impairment caused by alcohol intake on driving. They mostly underestimated alcohol's negative influence on their driving ability and were overconfident that they would have a safe drive and would not be involved in any traffic accidents after consuming alcohol. In addition, most participants of this study reported that there was very little possibility that they would be arrested after fully assessing the situation and implementing strategies to avoid detection by traffic police. All these reasons affected these men's decision to drive drunk. Several criminological theories are applied to explain the findings and implications are finally recommended to reduce the possibility of drunk driving among Chinese men. [ABSTRACT FROM AUTHOR]

Objective: The objective of this study was the visualization of hot spots and evolving trends in research on the association between vitamin D and infections through the use of bibliometric analysis., Methods: Based on 3046 relevant articles collected in the Web of Science Core Collection for the period of 2001-2021, the data were processed using CiteSpace software. GraphPad software was used for some of the graphics., Results: A total of 3,046 literature were retrieved, with an average citation frequency of 27.89 times. The number of published papers in the direction of "Immunology" (453 articles, 14.9%) and "Infectious diseases" (312 articles, 10.2%) is much higher. The United States presents the highest publication count (890, 29.2%) and shows a strong leadership in this field. Country burst shows that since 2015, many developing countries and low-income countries have carried out enthusiastic research in this regard, including China, Pakistan, and Iran. As for institutions, the League of European Research Universities produces a larger proportion of articles (220, 7.2%). In terms of authors, Martineau AR and Camargo CA have the highest number of published articles, contributing 30 (0.99%) and 28 articles (0.92%), respectively. Major studies are supported by the United States Department of Health Human Services funding (394, 12.9%). According to the keyword co-occurrence diagram, the 10 most frequent keywords from 2001 to 2021 are "vitamin D", "infection", "d deficiency", "risk", "association", "expression", "disease", "d supplementation", "vitamin d deficiency", and "children". The top 10 cited articles in 2021 are all related to COVID-19, suggesting it is a hotspot in recent times., Conclusion: Research on the association between vitamin D and infection has grown rapidly since 2012 and is generally developing well. While developed Western countries continue to be leading roles in this field, research trends in developing countries are also very promising. It is demonstrated that the relationship between vitamin D and respiratory infections, especially respiratory viruses and the more recently COVID-19, has received a lot of attention in the last two decades, suggesting that this is the hotspot and frontier of research issue., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 He, Deng and Luo.)

Suicidal behavior is a severe problem among drug users. This study examines influential factors related to suicide attempts and analyzes possible mediators of the relationship between perceived social support and suicide attempts amongst Chinese drug users under compulsory institutional drug treatment. Taking perceived social support as the independent variable, we found that the relationship between suicide attempts and perceived social support is mediated by self-esteem as a protective factor and depression as a risk factor. Path analysis shows that self-esteem contributes relatively more to the indirect effects than depression does, accounting for 31.1% and 24.2% of the total effect, respectively. Generally speaking, the findings of this study point to an urgent need for addressing suicide attempts among Chinese drug users while treating self-esteem as the protective factor that deserves as substantial attention as depression receives.