core + health-lifesci (Health and Lifesciences Extension): terms relating to healthcare, medicine and the life sciences.


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Thing > Intangible > Enumeration > MedicalEnumeration > MedicalObservationalStudyDesign :: CohortStudy

Also known as a panel study. A cohort study is a form of longitudinal study used in medicine and social science. It is one type of study design and should be compared with a cross-sectional study. A cohort is a group of people who share a common characteristic or experience within a defined period (e.g., are born, leave school, lose their job, are exposed to a drug or a vaccine, etc.). The comparison group may be the general population from which the cohort is drawn, or it may be another cohort of persons thought to have had little or no exposure to the substance under investigation, but otherwise similar. Alternatively, subgroups within the cohort may be compared with each other.

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