Prevention Book


Weighted Mean Difference

Aka: Weighted Mean Difference
  1. See Also
    1. Odds Ratio
    2. Relative Risk
  2. Definition
    1. Weighted Mean Difference (WMD)
      1. Used in meta-analysis for continuous numerical measurements
      2. Each study in a meta-analysis is weighted based on variance
  3. Interpretation
    1. Weighted Mean Difference (WMD) >0 suggests benefit to an intervention (if Confidence Interval does not the 0-line)

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