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

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   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.

3. 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

4. pubmed.ncbi.nlm.nih.gov › 29110074What are the odds of anxiety disorders running in families? A ...

   pubmed.ncbi.nlm.nih.gov › 29110074

   Results showed that children with ADs were two to three times more likely to have at least one parent with current and lifetime ADs than the control children (odds ratio (OR) = 2.04 and 3.14).

   • Author: Liesbeth G. E. Telman, Francisca J. A. van Steensel, Marija Maric, Susan M. Bögels

   • Publish Year: 2018

5. 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. The odds ratio helps identify how likely an exposure is to lead to a specific event.

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

   • Affiliations: University of Nebraska Medical Center

6. europepmc.org › article › MEDExplaining odds ratios. - Abstract - Europe PMC

   europepmc.org › article › MED

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   Aug 1, 2010 · Odds ratios are used to compare the relative odds of the occurrence of the outcome of interest (e.g. disease or disorder), given exposure to the variable of interest (e.g. health characteristic, aspect of medical history).

   • Author: Magdalena Szumilas

   • Publish Year: 2010

7. www.nejm.org › doi › fullTrends in Mental Health Care among Children and Adolescents

   www.nejm.org › doi › full

   May 21, 2015 · Results are presented as odds ratios and 95% confidence intervals. P values were calculated for the interaction between the severity of mental health impairment and change in service use...

8. People also ask

   What is 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. don’t confuse odds with probability, and don’t confuse odds with odds ratio! Bland JM, Altman DG.

   Odds ratio • LITFL • CCC Research

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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

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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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   How do you calculate odds ratio?

   • Odds Ratio = (odds of the event in the exposed group) / (odds of the event in the non-exposed group) If the data is set up in a 2 x 2 table as shown in the figure then the odds ratio is (a/b) / (c/d) = ad/bc. The following is an example to demonstrate calculating the odds ratio (OR). Example 1

   Odds Ratio - StatPearls - NCBI Bookshelf - National Center for

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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

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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. www.ncbi.nlm.nih.gov › pmc › articlesA survey of Psychiatric Disorders and Their Comorbidities in ...

   www.ncbi.nlm.nih.gov › pmc › articles

   Jan 27, 2020 · Results: The total rate of psychiatric disorders among children and adolescent was estimated as 20.5%, elimination disorders with a rate of 12.9% was the most prevalent disorder in the subjects. The lowest prevalence belongs to psychotic disorder and bulimia nervosa (0.1%).