Retrospective cohort designs establish odds associated with exposure and longitudinal effects
Retrospective cohort designs are great for busy clinicians and scientists
To conduct a retrospective cohort, the researcher creates a cohort of participants that are similar in terms of demographic, prognostic, and clinical characteristics. Members of the cohort are put into independent groups based upon exposure to some sort of intervention, treatment, test, or agent.
Researchers then follow the exposed and non-exposed groups forward to establish the risk of developing a disease state or outcome.
Odds ratio and prevalence in retrospective cohort designs
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