Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

130 questions · 130 findings · 56 reviews

No studies found 75 · 57.7%GRADE not reported 3 · 2.3%Very low 12 · 9.2%Low 27 · 20.8%Moderate 10 · 7.7%High 3 · 2.3%