Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

364 questions · 388 findings · 28 reviews · Headline outcomes only

No studies found 15 · 3.9%GRADE not reported 20 · 5.2%Very low 133 · 34.3%Low 161 · 41.5%Moderate 58 · 14.9%High 1 · 0.3%

Psychological therapies vs controls

Responder rate (achievement of at least 50% reduction in migraine frequency) Higher numbers mean more people responded · adults with migraine

It is very uncertain whether psychological therapies changes responder rate (achievement of at least 50% reduction in migraine… compared with controls (very low certainty).

1 finding from 1 review