Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

387 questions · 404 findings · 22 reviews · Gut

No studies found 96 · 23.8%GRADE not reported 3 · 0.7%Very low 108 · 26.7%Low 96 · 23.8%Moderate 69 · 17.1%High 32 · 7.9%