Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

198 questions · 199 findings · 60 reviews · Gut

No studies found 34 · 17.1%GRADE not reported 8 · 4%Very low 44 · 22.1%Low 72 · 36.2%Moderate 31 · 15.6%High 10 · 5%