Case-control studies remain a cornerstone of observational epidemiology, enabling efficient investigation of associations between exposures and rare or costly outcomes. At their heart lies the careful ...

We used a case–control study design. Cases were selected from 445 Chinese Han miners who participated in occupational health checkups diagnosed with dyslipidemia in a Chinese coal mine enterprise from ...

Whereas cardiovascular disease-related mortality has declined in most developed countries, its known prevalence is increasing worldwide, although few data on the causes of heart disease in the ...

Bhattacharya attacked study's test-negative design, a staple of vaccine effectiveness rese ...

Cases and controls were matched one-to-five according to sex, 10-year age group, nationality, number of coexisting medical conditions, calendar week of testing, method of testing (polymerase chain ...

Objectives: Case management is commonly used by health plans to attempt to improve the care received by their members who have complex needs, such as those who undergo transplantation. There are few ...