Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

31 questions · 31 findings · 3 reviews · Pain, Palliative and Supportive Care · Headline outcomes only

No studies found 4 · 12.9%GRADE not reported 0 · 0%Very low 23 · 74.2%Low 2 · 6.5%Moderate 2 · 6.5%High 0 · 0%