Case-cohort study designs represent a cost-effective and efficient strategy for analysing time-to-event data, particularly when the event of interest is rare. By selecting a random subcohort along ...

Cohort Study: A cohort study is an observational research design in which a defined group of participants (the “cohort”) is identified and followed over time to evaluate the relationship between ...

Different approaches to cohort study design in the context of biomarkers of aging. Biomarkers of aging are commonly validated using cross-sectional or longitudinal study designs. Cross-sectional ...

Case-cohort study design has been widely used for its cost-effectiveness. In any real study, there are always other important outcomes of interest beside the failure time that the original case-cohort ...

Background Prehospital delays remain critical barriers to timely acute coronary syndrome (ACS) care, particularly for ...

Introduction Students enrolling in higher education often adopt lifestyles linked to worse mental health, potentially contributing to the peak age onset of mental health problems in early adulthood.

A landmark German study finds that mRNA COVID-19 vaccination during the first trimester does not increase the risk of major congenital disabilities, offering crucial reassurance for expectant parents ...