Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

150 questions · 161 findings · 19 reviews

No studies found 10 · 6.2%GRADE not reported 14 · 8.7%Very low 32 · 19.9%Low 65 · 40.4%Moderate 34 · 21.1%High 6 · 3.7%