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Cohort Studies.  

Edward H. Livingston

in AMA Manual of Style: A Guide for Authors and Editors (11th edn)

Print Publication Year: 
Feb 2020
Published Online: 
Feb 2020
DOI: 
10.1093/jama/9780190246556.003.0019.022.0014
Item type: 
section
In a cohort study , a defined group of people (the cohort) is followed up over time to examine associations between different interventions and subsequent interventions. Cohort studies may be concurrent (prospective) or nonconcurrent (retrospective). A prospective cohort study follows up a group, or cohort , of individuals who are initially free of the outcome of interest. Individuals in a cohort generally share some underlying characteristic, such as age, sex, or exposure to a ...

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