DUMC Library: EBM Glossary - O

  
  • Odds
    A ratio of the number of people incurring an event to the number of people who have non-events.

  • Odds Ratio (OR)
    The ratio of the odds of having the target disorder in the experimental group relative to the odds in favor of having the target disorder in the control group (in cohort studies or systematic reviews) or the odds in favor of being exposed in subjects with the target disorder divided by the odds in favor of being exposed in control subjects (without the target disorder).

  • OR -- see Odds Ratio

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    Last modified on: 16-Dec-04