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.

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 …

Jul 31, 2023 · A case-control study is a research method where two groups of people are compared – those with the condition (cases) and those without (controls). By looking at their past, researchers try …

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 …

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 (kays-kun-TROLE STUH-dee) A study that compares two groups of people: those with the disease or condition under study (cases) and a very similar group of people who do not have …

Case-control studies can be classified as retrospective (dealing with a past exposure) or prospective (dealing with an anticipated exposure), depending on when cases are identified in relation to the …

Two common types are case-control studies and cohort studies. In a case-control study, researchers start with individuals who have already been diagnosed with a particular disease (cases) and …

The method of assignment of individuals to study and control groups in observational studies when the investigator does not intervene to perform the assignment.

What is a Case-Control Study? A case-control study is a retrospective study that looks back in time to find the relative risk between a specific exposure (e.g. second hand tobacco smoke) and an outcome …