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 some supposed …

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 cases, which …

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 condition …

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 might …

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 is rare or has a long …

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

Case control studies are observational because no intervention is attempted and no attempt is made to alter the course of the disease. The goal is to retrospectively determine the exposure to the risk …

Jul 1, 2020 · Case-control studies are particularly appropriate for studying disease outbreaks, rare diseases, or outcomes of interest. This article describes several types of case-control designs, with …

As mentioned in Chapter 3, a case-control study is an observational study that compares the exposure between the cases (members of a population with the outcome of interest) and a comparison group …