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Methods of synthesis of data for meta-analyses

A meta-analysis is a statistical analysis that combines the data from two or more studies.

Studies included in the statistical analysis must cover the same question and contain data that is comparable.

The results of a meta-analysis are most frequently represented in a Forest plot.

See the Guidelines section of this guide for more details about the statistical methods used for meta-analysis and how to use them.

Forest Plots

For a meta analysis, producing a forest plot may be necessary.

Synthesis tools

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