Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

665 questions · 683 findings · 44 reviews · Headline outcomes only

No studies found 254 · 37.2%GRADE not reported 21 · 3.1%Very low 148 · 21.7%Low 193 · 28.3%Moderate 61 · 8.9%High 6 · 0.9%

Acupuncture vs placebo or sham acupuncture

Adverse events Adverse events includes withdrawal and drop‐outs that could be clearly identified as due to an adverse event · patients with fibromyalgia

Acupuncture showed no clear difference in adverse events Adverse events includes withdrawal and drop‐outs that… compared with placebo or sham acupuncture (moderate certainty).

1 finding from 1 review