Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

82 questions · 82 findings · 7 reviews · Movement Disorders · Headline outcomes only

No studies found 6 · 7.3%GRADE not reported 6 · 7.3%Very low 10 · 12.2%Low 10 · 12.2%Moderate 27 · 32.9%High 23 · 28%

Botulinum toxin type A vs botulinum toxin type B

Adverse events: sore throat/dry mouth № of participants: 212 (2 RCTs) · adults with cervical dystonia

Botulinum toxin type A probably leads to higher adverse events: sore throat/dry mouth № of participants: 212 (2 RCTs) compared with botulinum toxin type B (moderate certainty).

1 finding from 1 review