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What do systematic reviews say?

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Evidence found and GRADE certainty

5 questions · 6 findings · 1 reviews · Pain, Palliative and Supportive Care

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 16.7%Moderate 4 · 66.7%High 1 · 16.7%

Acupuncture vs sham

Number of participants reporting an adverse event · people with episodic migraine

Acupuncture showed no clear difference in number of participants reporting adverse effects compared with sham interventions (high certainty).

1 finding from 1 review

Acupuncture vs sham

Response (after treatment) · people with episodic migraine

Acupuncture probably leads to higher response (after treatment) compared with sham interventions (moderate certainty).

1 finding from 1 review

Acupuncture vs sham

Adverse effects (drop‐outs due to adverse effects4) · people with episodic migraine

Acupuncture showed no clear difference in number of participants dropping out due to adverse effects compared with sham interventions (low certainty).

1 finding from 1 review