Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

91 questions · 94 findings · 5 reviews · Colorectal

No studies found 11 · 11.7%GRADE not reported 4 · 4.3%Very low 34 · 36.2%Low 38 · 40.4%Moderate 6 · 6.4%High 1 · 1.1%