Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

65 questions · 73 findings · 31 reviews · Gut

No studies found 20 · 27.4%GRADE not reported 0 · 0%Very low 9 · 12.3%Low 18 · 24.7%Moderate 16 · 21.9%High 10 · 13.7%