Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

157 questions · 159 findings · 13 reviews

No studies found 77 · 48.4%GRADE not reported 2 · 1.3%Very low 49 · 30.8%Low 21 · 13.2%Moderate 9 · 5.7%High 1 · 0.6%

Acupuncture vs sham

Adverse events at up to 2 months' · women with PMS

It is very uncertain whether acupuncture changes adverse events at up to 2 months' compared with sham (very low certainty).

1 finding from 1 review

Acupuncture vs sham

Response rate at end of treatment · women with PMS

It is very uncertain whether acupuncture changes response rate at end of treatment compared with sham (very low certainty).

1 finding from 1 review