Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

186 questions · 195 findings · 13 reviews

No studies found 63 · 32.3%GRADE not reported 3 · 1.5%Very low 46 · 23.6%Low 51 · 26.2%Moderate 17 · 8.7%High 15 · 7.7%