Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

516 questions · 538 findings · 36 reviews

No studies found 211 · 39.2%GRADE not reported 15 · 2.8%Very low 118 · 21.9%Low 146 · 27.1%Moderate 46 · 8.6%High 2 · 0.4%

Acupuncture vs medication

symptom severity (dichotomous outcome) Dichotomous measure of overall symptom severity1 · people with irritable bowel syndrome

Acupuncture may leads to higher symptom severity (dichotomous outcome) Dichotomous measure of… compared with pharmaceutical medications (low certainty).

1 finding from 1 review

Acupuncture vs sham

Live birth rate · polycystic ovarian syndrome

True acupuncture showed no clear difference in live birth rate compared with sham acupuncture (low certainty).

1 finding from 1 review

Acupuncture vs sham

Multiple pregnancy rate · polycystic ovarian syndrome

True acupuncture showed no clear difference in multiple pregnancy rate compared with sham acupuncture (low certainty).

1 finding from 1 review

Acupuncture vs sham

Clinical pregnancy rate · polycystic ovarian syndrome

True acupuncture showed no clear difference in clinical pregnancy rate compared with sham acupuncture (low certainty).

1 finding from 1 review

Acupuncture vs sham

Miscarriage · polycystic ovarian syndrome

True acupuncture showed no clear difference in miscarriage rate compared with sham acupuncture (low certainty).

1 finding from 1 review

Acupuncture vs sham

Adverse events · polycystic ovarian syndrome

True acupuncture probably leads to higher adverse events compared with sham acupuncture (moderate certainty).

1 finding from 1 review

Laser acupuncture vs placebo/sham laser acupuncture

Overall clinical improvement at short‐term · carpal tunnel syndrome

Laser acupuncture may leads to higher overall clinical improvement at short‐term compared with placebo/sham laser acupuncture (low certainty).

2 findings 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