Evidence-based medicine > Related Articles

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• Teaching evidence-based medicine
• Evidence-based individual decision making
• Clinical decision support system
• Marsha Angell
• Odds ratio [r]: The odds ratio is a technical term often used in medical statistics. The odds ratio is the ratio of the relative incidence of a target disorder in the experimental group relative to the relative incidence in a control group. Essentially, it reflects how the risk of having a particular disorder is influenced by the treatment. An odds ratio of 1 means that there is no benefit of treatment compared to the control group. [e]