Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

133 questions · 133 findings · 14 reviews

No studies found 46 · 34.6%GRADE not reported 13 · 9.8%Very low 42 · 31.6%Low 22 · 16.5%Moderate 9 · 6.8%High 1 · 0.8%