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- Odds ratio (OR) is a ratio comparing the odds of an event occurring in one group (such as an exposed or treatment group) with the odds of it occurring in another (often a control or unexposed group). The odds ratio, therefore, tells us whether a particular factor increases or decreases the likelihood of an outcome compared to a baseline.
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What is odds ratio & relative risk?
May 22, 2023 · The odds ratio (OR) is a measure of how strongly an event is associated with exposure. The odds ratio is a ratio of two sets of odds: the odds of the event occurring in an exposed group versus the odds of the event occurring in a non-exposed group.
- Steven Tenny, Mary R. Hoffman
- 2023/05/22
- University of Nebraska Medical Center
Nov 3, 2020 · An odds ratio (OR) is a measure of association between an exposure and an outcome. 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.
An odds ratio (OR) is a measure of association between an exposure and an outcome. 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 expo-sure.
3 days ago · In social science and medical research, the odds ratio (OR) is a statistical measure used to determine the association between exposure and an outcome. It calculates the odds that an event will occur in one group compared to another. Researchers often use the odds ratio to examine the effects of certain risk factors, interventions, or behaviors ...
Aug 1, 2010 · What is an odds ratio? An odds ratio (OR) is a measure of association between an exposure and an outcome. 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.
Explaining odds ratios. J Can Acad Child Adolesc Psychiatry. 2010 Aug;19 (3):227-9. Author. Magdalena Szumilas 1. Affiliation. 1 Research Associate, Sun Life Financial Chair in Adolescent Mental Health, IWK Health Centre & Dalhousie University, Maritime Outpatient Psychiatry, Halifax, Nova Scotia. PMID: 20842279. PMCID: PMC2938757.
An odds ratio (OR) is a measure of association between an exposure and an outcome (i.e., disease) and is commonly derived from data collected in a case–control study design. When the outcome is rare, the OR is a good estimate of the relative risk of the outcome.
