I recently talked with someone doesn't tolerate any meta-analyses because they are too easy to tweak the inclusion/exclusion criteria to the researcher's or backer's liking. (Personally, I wouldn't just hand wave off such research.)

Anyway, are there meta-analysis or systematic reviews that contain multiple sections for different inclusion/exclusion criteria and then discuss the findings for each 'branch' among the other 'branches'? By branches I mean slightly different criteria used.

For example, say a meta-analysis is conducted about the digestibility of a certain food for a specific age range. Then, another meta-analysis is conducted for the same food for a different age range. This is just off the top of my head, but I hope the basic idea is understood. (I do not only mean a meta-analysis or systematic review that analyses different cohorts.)

Related ideas

  • 2
    Sounds like you're looking for a meta analysis that includes a sensitivity analysis. I don't have any examples to point to but they're pretty common. Usually a paper chooses some preferred criteria and then will demonstrate what happens when they shift their criteria.
    – Bryan Krause
    Apr 11 at 19:07

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