A case-control study is a type of study design used widely, often in epidemiology. It is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute. Case-control studies are often used to identify factors that may contribute to a medical condition by comparing subjects who have that condition/disease with patients who do not have the condition/disease but are otherwise similar. They require fewer resources but provide less evidence for causal inference than a randomized controlled trial.
The numerical value of Case-control study in Chaldean Numerology is: 7
The numerical value of Case-control study in Pythagorean Numerology is: 7
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- étude cas-témoinFrench
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"Case-control study." Definitions.net. STANDS4 LLC, 2017. Web. 26 Apr. 2017. <http://www.definitions.net/definition/Case-control study>.