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2. www.ncbi.nlm.nih.gov › books › NBK431098Odds Ratio - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov › books › NBK431098

   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.

   • Author: Steven Tenny, Mary R. Hoffman
   • Published: 2023/05/22

   • Affiliations: University of Nebraska Medical Center

3. europepmc.org › article › PMCExplaining odds ratios. - Abstract - Europe PMC

   europepmc.org › article › PMC

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   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.

4. pubmed.ncbi.nlm.nih.gov › 20842279Explaining odds ratios - PubMed

   pubmed.ncbi.nlm.nih.gov › 20842279

   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.

   • Author: Magdalena Szumilas

   • Publish Year: 2010

5. litfl.com › odOdds ratio • LITFL • CCC Research

   litfl.com › od

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   Nov 3, 2020 · OVERVIEW. 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.

6. europepmc.org › articles › PMC2938757Explaining odds ratios. - Abstract - Europe PMC

   europepmc.org › articles › PMC2938757

   • Cached

   Aug 1, 2010 · 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.

7. link.springer.com › article › 10What makes adolescents psychologically distressed? Life ...

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   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.

8. People also ask

   What is odds ratio?

   • Last Update: 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. Odds ratios commonly are used to report case-control studies.

   Odds Ratio - StatPearls - NCBI Bookshelf - National Center for

   www.ncbi.nlm.nih.gov/books/NBK431098/

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   Is the odds ratio statistically significant?

   • If the confidence interval for the odds ratio includes the number 1 then the calculated odds ratio would not be considered statistically significant. This can be seen from the interpretation of the odds ratio. An odds ratio greater than 1 implies there are greater odds of the event happening in the exposed versus the non-exposed group.

   Odds Ratio - StatPearls - NCBI Bookshelf - National Center for

   www.ncbi.nlm.nih.gov/books/NBK431098/

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   What does it mean if odds ratio is less than 1?

   • This can be seen from the interpretation of the odds ratio. An odds ratio greater than 1 implies there are greater odds of the event happening in the exposed versus the non-exposed group. An odds ratio of less than 1 implies the odds of the event happening in the exposed group are less than in the non-exposed group.

   Odds Ratio - StatPearls - NCBI Bookshelf - National Center for

   www.ncbi.nlm.nih.gov/books/NBK431098/

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   What is the odds ratio in a 2-by-2 table?

   • In a 2-by-2 table with cells a, b, c, and d (see figure), the odds ratio is odds of the event in the exposure group (a/b) divided by the odds of the event in the control or non-exposure group (c/d). Thus the odds ratio is (a/b) / (c/d) which simplifies to ad/bc. This is compared to the relative risk which is (a / (a+b)) / (c / (c+d)).

   Odds Ratio - StatPearls - NCBI Bookshelf - National Center for

   www.ncbi.nlm.nih.gov/books/NBK431098/

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   Do odds ratios overestimate risk?

   • If the disease condition (event) is rare, then the odds ratio and relative risk may be comparable, but the odds ratio will overestimate the risk if the disease is more common. In such cases, the odds ratio should be avoided, and the relative risk will be a more accurate estimation of risk.

   Odds Ratio - StatPearls - NCBI Bookshelf - National Center for

   www.ncbi.nlm.nih.gov/books/NBK431098/

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   What is odds ratio & relative risk?

   • The odds ratio can be confused with relative risk. As stated above, the odds ratio is a ratio of 2 odds. As odds of an event are always positive, the odds ratio is always positive and ranges from zero to very large.

   Odds Ratio - StatPearls - NCBI Bookshelf - National Center for

   www.ncbi.nlm.nih.gov/books/NBK431098/

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9. pubmed.ncbi.nlm.nih.gov › 26231012Understanding relative risk, odds ratio, and related terms ...

   pubmed.ncbi.nlm.nih.gov › 26231012

   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.