Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

231 questions · 245 findings · 9 reviews · Gut

No studies found 76 · 31%GRADE not reported 3 · 1.2%Very low 106 · 43.3%Low 47 · 19.2%Moderate 12 · 4.9%High 1 · 0.4%