Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

279 questions · 289 findings · 28 reviews · Headline outcomes only

No studies found 81 · 28%GRADE not reported 9 · 3.1%Very low 90 · 31.1%Low 67 · 23.2%Moderate 24 · 8.3%High 18 · 6.2%

Intervention not reported

"Moderate" benefit At least 30% reduction in pain · Adults with cancer pain

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Patient Global Impression of Change much or very much improved · Adults with cancer pain

The review found no eligible studies for this question.

1 finding from 1 review