Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

175 questions · 177 findings · 31 reviews

No studies found 18 · 10.2%GRADE not reported 33 · 18.6%Very low 50 · 28.2%Low 57 · 32.2%Moderate 19 · 10.7%High 0 · 0%

Intervention not reported

Pain: 50% reduction in headache frequency Post‐treatment Lower scores = fewer headaches · Children and adolescents with chronic pain

It is very uncertain whether the intervention changes pain: 50% reduction in headache frequency Post‐treatment Lower… (very low certainty).

1 finding from 1 review