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What is the odds ratio?

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Question added by fatehaddin negmaddin alemad Alemad , مسئول قسم التنفسية , مستشفى جامعة العلوم والتكنولوجيا
Date Posted: 2015/11/30
ANKUR BARUA
by ANKUR BARUA , Associate Professor/Senior Lecturer , International Medical University (IMU)

An odds ratio (OR) is a measure of the strength of association between an exposure and an outcome used in cross-sectional and retrospective studies (case-control). The OR represents the odds that an outcome will occur given a particular exposure, compared to the odds of the outcome occurring in the absence of that exposure. 

Ali Alhaddad
by Ali Alhaddad , physician - director - supervisor , MOH

is a statstical measure of association between an exposure and an outcome used commonly in clinical research and epidemoilogy

An odds ratio (OR) is a measure of association between an exposure and an outcome

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