retrospective cohort study

Definition / meaning of retrospective cohort study

A research study in which the medical records of groups of individuals who are alike in many ways but differ by a certain characteristic (for example, female nurses who smoke and those who do not smoke) are compared for a particular outcome (such as lung cancer). Also called historic cohort study.

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Find More About 'retrospective cohort study'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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