Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 1 · 100%

Number of headache days per month: chronic migraine only · adults with migraine

1 finding from 1 review

Botulinum toxins for the prevention of migraine in adults 2018 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 1384 participants
High