Gideon M-K: Health Nerd

How To Read A Meta-Analysis

The statistics of it all.

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Health Nerd
Jul 10, 2026
∙ Paid
A forest plot created with ChatGPT. Slightly prettier than I could’ve done myself, but also a bit less accurate. I do love the trees.

This is the third in my series teaching you how to read and interpret scientific studies. This time, we’re looking at meta-analyses. These are one of the most important types of statistical analyses that you’ll come across, and there are a few really simple things you need to understand to not get tricked by them.

Part One

Part Two

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