Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

166 questions · 178 findings · 15 reviews

No studies found 52 · 29.2%GRADE not reported 1 · 0.6%Very low 44 · 24.7%Low 56 · 31.5%Moderate 24 · 13.5%High 1 · 0.6%