Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

94 questions · 104 findings · 14 reviews · Headline outcomes only

No studies found 30 · 28.8%GRADE not reported 0 · 0%Very low 29 · 27.9%Low 36 · 34.6%Moderate 8 · 7.7%High 1 · 1%

Acupuncture vs control

Activities of daily living · spatial neglect or inattention following stroke and other adult‐acquired non‐progressive brain injury

The review found no eligible studies for this question.

2 findings from 1 review

Acupuncture vs control

Neglect outcomes: effects persisting at least 1 month post intervention · spatial neglect or inattention following stroke and other adult‐acquired non‐progressive brain injury

The review found no eligible studies for this question.

1 finding from 1 review

Low‐frequency electroacupuncture vs physical exercise or no intervention

Restored regular menstrual period · polycystic ovarian syndrome

It is very uncertain whether low‐frequency electroacupuncture changes restored regular menstrual period – low‐frequency electroacupuncture… compared with physical exercise or no intervention (very low certainty).

2 findings from 1 review

Acupuncture vs sham

Adverse events Self‐reported · patients with non‐specific chronic low back pain

Acupuncture showed no clear difference in adverse events Self‐reported compared with sham intervention (low certainty).

1 finding from 1 review

Acupuncture vs no intervention

Proportion of participants with 1 or more serious adverse events · chronic hepatitis B

The review found no eligible studies for this question.

1 finding from 1 review

Acupuncture vs no intervention

Non‐serious adverse events Maximum · chronic hepatitis B

It is very uncertain whether acupuncture changes proportion of participants with 1 or more adverse events considered… compared with no intervention (very low certainty).

1 finding from 1 review

Acupuncture vs no intervention

Exploratory outcome: Proportion of participants with detectable HBV‐DNA (at maximum · chronic hepatitis B

The review found no eligible studies for this question.

1 finding from 1 review

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