Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

10 questions · 10 findings · 4 reviews

No studies found 4 · 40%GRADE not reported 0 · 0%Very low 2 · 20%Low 1 · 10%Moderate 2 · 20%High 1 · 10%

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 prophylactic drugs

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

Acupuncture probably leads to lower number of participants reporting adverse effects compared with prophylactic drugs (moderate certainty).

1 finding from 1 review

Acupuncture vs prophylactic drugs

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

Acupuncture probably leads to lower number of participants dropping out due to adverse effects compared with prophylactic drugs (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