Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

591 questions · 615 findings · 67 reviews · Pain, Palliative and Supportive Care · Headline outcomes only

No studies found 109 · 17.7%GRADE not reported 20 · 3.3%Very low 189 · 30.7%Low 137 · 22.3%Moderate 100 · 16.3%High 60 · 9.8%