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- 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.
europepmc.org/article/MED/20842279
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May 22, 2023 · 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. Odds ratios commonly are used to report case-control studies.
- 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.
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.
- Magdalena Szumilas
- 2010
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.
- Magdalena Szumilas
- 2010
This article examines several measures, including absolute risk, attributable risk, attributable risk percent, population attributable risk percent, relative risk, odds, odds ratio, and others. The concept and method of calculation are explained for each of these in simple terms and with the help of examples.
- Chittaranjan Andrade
- 2015
Mar 30, 2020 · The odds ratios for those mental health outcomes were significantly higher in girls than in boys, with values of 1.64, 1.79, and 1.93 for depressed mood, suicidal ideation, and suicide attempt, respectively. The odds ratio for depressed mood significantly increased from 1.09 to 1.65 with age.
The odds ratio is a good estimate of relative risk when probability of the outcome—development of SAD in this study—is small. 2 However, odds ratios grow increasingly larger than relative risks as outcome probabilities increase toward 0.5 and can inflate perceived magnitudes of association or effect. 3 Even when presented clearly, the odds ...
