Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,679 questions · 1,720 findings · 335 reviews · Headline outcomes only

No studies found 192 · 11.2%GRADE not reported 75 · 4.4%Very low 526 · 30.6%Low 504 · 29.3%Moderate 305 · 17.7%High 118 · 6.9%