Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

443 questions · 458 findings · 195 reviews · Headline outcomes only

No studies found 124 · 27.1%GRADE not reported 39 · 8.5%Very low 141 · 30.8%Low 106 · 23.1%Moderate 36 · 7.9%High 12 · 2.6%

Combination of manual therapy and exercise following joint distension vs sham ultrasound following joint distension

Adverse events · patients with adhesive capsulitis (frozen shoulder)

Combination of manual therapy and exercise following joint distension leads to lower adverse events compared with sham ultrasound following joint distension (high certainty).

1 finding from 1 review

Comparison 2: 2 days injectable benzylpenicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin

Adverse events · neonates with possible serious bacterial infection

Comparison 2: 2 days injectable benzylpenicillin + injectable… showed no clear difference in adverse events compared with 7 days injectable benzylpenicillin + injectable gentamicin (moderate certainty).

1 finding from 1 review

Homocysteine‐lowering interventions (Folic Acid, Vitamin B6 and Vitamin B12) vs placebo or usual care

Adverse events · people with or without existing cardiovascular disease, men and women

Homocysteine‐lowering interventions (Vitamin B6 (pyridoxine;… showed no clear difference in adverse events compared with placebo or standard care (high certainty).

1 finding from 1 review