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Weighted Mean Difference

Aka: Weighted Mean Difference

See Also
1. Odds Ratio
2. Relative Risk
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
Interpretation
1. Weighted Mean Difference (WMD) >0 suggests benefit to an intervention (if Confidence Interval does not the 0-line)

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Family Practice Notebook

Patients should address specific medical concerns with their physicians.

Although access to this page is not restricted, the information found here is intended for use by medical providers.

This page was written by Scott Moses, MD, last revised on 9/9/2014 and last published on 9/8/2021 .

This is one of 6986 pages in the Family Practice Notebook