How to calculate the standard deviation for the "final weighted mean difference" as presented in a meta-analysis?

17 April 2023 1 5K Report

I am seeing a Forest Plot presentation of the data in a meta-analysis. But the standard deviation for the final "weighted mean difference" is missing. I am wondering if it is possible to calculate the standard deviation of it. So that I can use this SD value in G power to estimate the sample size.

The meta-analysis paper title: Efficacy of combination therapy with ezetimibe and statins versus a double dose of statin monotherapy in participants with hypercholesterolemia: a meta-analysis of literature

Martin Bjørn Stausholm

If I understand the question correctly, you could use the data stated in the paper that is included in the meta-analysis instead.

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Science method

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