A case–control study (also known as case–referent study) is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of …

Feb 4, 2023 · A case-control study is an experimental design that compares a group of participants possessing a condition of interest to a very similar group lacking that condition.

Mar 27, 2023 · A case-control study is a type of observational study commonly used to look at factors associated with diseases or outcomes. The case-control study starts with a group of …

Case-control studies are one of the two main types of observational study designs in epidemiology. This design is desirable when exposure data are difficult to obtain, the disease …

Jul 31, 2023 · A case-control study looks at people who already have a certain condition (cases) and people who don't (controls). By comparing these two groups, researchers try to figure out …

What is a Case Control Study? A case control study is a retrospective, observational study that compares two existing groups. Researchers form these groups based on the existence of a …

case-control study, in epidemiology, observational (nonexperimental) study design used to ascertain information on differences in suspected exposures and outcomes between …