# The role of the geometric mean in case-control studies

@inproceedings{Coston2022TheRO, title={The role of the geometric mean in case-control studies}, author={Amanda Coston and Edward H. Kennedy}, year={2022} }

Historically used in settings where the outcome is rare or data collection is expensive, outcome-dependent sampling is relevant to many modern settings where data is readily available for a biased sample of the target population, such as public administrative data. Under outcome-dependent sampling, common eﬀect measures such as the average risk diﬀerence and the average risk ratio are not identiﬁed, but the conditional odds ratio is. Aggregation of the conditional odds ratio is challenging…

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