2023年2月4日 · Case-control studies are a type of observational study often used in fields like medical research, environmental health, or epidemiology. While most observational studies …

2023年7月31日 · 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 …

2023年3月27日 · 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 …

2023年3月27日 · 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 …

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 the disease or condition (controls). …

2023年8月3日 · A case-control study (also known as a case-referent study) is a type of observational study in which two existing groups differing in outcome are identified and …

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 in the case group and …

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

2023年9月25日 · 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 …

A case-control study is designed to help determine if an exposure is associated with an outcome (i.e., disease or condition of interest). In theory, the case-control study can be described …