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August 11, 1999

Correcting the Odds Ratio in Cohort Studies of Common Outcomes

Author Affiliations

Margaret A.WinkerMD, Deputy EditorIndividualAuthorPhil B.FontanarosaMD, Interim CoeditorIndividualAuthor


Copyright 1999 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.1999

JAMA. 1999;282(6):529. doi:10-1001/pubs.JAMA-ISSN-0098-7484-282-6-jbk0811

To the Editor: The article by Drs Zhang and Yu1 addresses a common mistake—using the odds ratio (OR) to estimate relative risk (RR) when the disease being studied is common (>10%).1 The authors' proposed solution is intriguing; however, it may be an oversimplification.

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