Observational study designs like cohort, case-control, and cross-sectional are the backbone of epidemiology, but each comes with unique strengths, limitations, and bias risks. Understanding these ...

Cross-sectional analysis is a research design in which exposure and outcome variables are measured simultaneously at a single point in time across a defined population. By capturing a “snapshot” of ...

This study was published in JAMA Network Open on March 23. The research team conducted a cross-sectional study to investigate 4,003 RCTs included in Cochrane reviews. Overall, 22,65 RCTs (56.6%) cited ...

Objectives To assess the clinical competence of sports medicine physicians to recognise and report harassment and abuse in sports, and to identify barriers to reporting and the need for safeguarding ...

The prevalence and anatomical features of C-Shaped Mandibular Second Molars (MSMs) are rarely studied in Jordanian sub-population. This study then took a part to evaluate the prevalence of C-shaped in ...

Objectives To determine the prevalence, patterns and correlates of medicinal herb use in a rural Iranian population and to evaluate demographic and clinical predictors using adjusted regression models ...

Background Bystanders may critically influence prehospital delay during acute myocardial infarction (AMI), but existing ...

Correspondence to Professor Yannis P Pitsiladis, Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong, Hong Kong SAR; ypitsiladis{at}hkbu.edu.hk Objective The ...

Background Rheumatoid arthritis (RA) is a chronic autoimmune disease associated with systemic inflammation and metabolic ...