Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

458 questions · 473 findings · 205 reviews

No studies found 128 · 27.1%GRADE not reported 49 · 10.4%Very low 142 · 30%Low 106 · 22.4%Moderate 36 · 7.6%High 12 · 2.5%

Acupuncture vs usual care

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

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

1 finding 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

Intervention not reported

Adverse events · adults (age 18 years or over) with myocardial infarction, stable angina, following coronary artery bypass graft surgery or percutaneous…

The review found no eligible studies for this question.

1 finding from 1 review

Percutaneous endoscopic gastrostomy vs nasogastric tube feeding

Adverse events irrespective of · adult patients with swallowing disturbances

Percutaneous endoscopic gastrostomy showed no clear difference in adverse events irrespective of compared with nasogastric tube feeding (moderate certainty).

1 finding from 1 review