Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

258 questions · 261 findings · 20 reviews · Hepato-Biliary

No studies found 81 · 31%GRADE not reported 4 · 1.5%Very low 146 · 55.9%Low 19 · 7.3%Moderate 9 · 3.4%High 2 · 0.8%