Quantitative Concept
cohort study
[ koh-hawrt stuhd-ee ]
Subclass of:
Epidemiologic Studies
Definitions related to cohort studies:
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(cohort) A study in which subjects are grouped based on a predefined personal or administrative characteristic.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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(cohort study) A research study that compares a particular outcome (such as lung cancer) in groups of individuals who are alike in many ways but differ by a certain characteristic (for example, female nurses who smoke compared with those who do not smoke).NCI ThesaurusU.S. National Cancer Institute, 2021
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(cohort study) Study of a group of individuals, some of whom are exposed to a variable of interest, in which subjects are followed over time. Cohort studies can be prospective or retrospective.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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