Retrospective cohort study

A retrospective cohort study, also called a historic cohort study, is a longitudinal cohort study that studies a cohort of individuals that share a common exposure factor to determine its influence on the development of a disease, and are compared to another group of equivalent individuals that were not exposed to that factor. Retrospective cohort studies have existed for approximately as long as prospective cohort studies.

单词	Retrospective studies
释义	Retrospective studies 英语百科 Retrospective cohort study A retrospective cohort study, also called a historic cohort study, is a longitudinal cohort study that studies a cohort of individuals that share a common exposure factor to determine its influence on the development of a disease, and are compared to another group of equivalent individuals that were not exposed to that factor. Retrospective cohort studies have existed for approximately as long as prospective cohort studies.
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Retrospective studies

Retrospective cohort study