Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

110 questions · 110 findings · 18 reviews · Gut

No studies found 27 · 24.5%GRADE not reported 11 · 10%Very low 27 · 24.5%Low 26 · 23.6%Moderate 16 · 14.5%High 3 · 2.7%