Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

224 questions · 224 findings · 23 reviews · Headline outcomes only

No studies found 72 · 32.1%GRADE not reported 12 · 5.4%Very low 66 · 29.5%Low 42 · 18.8%Moderate 21 · 9.4%High 11 · 4.9%

Intervention not reported

Dysfunctional breathing‐specific tests (e.g. breath hold test or hyperventilation provocation test (HVPT)) · children with dysfunctional breathing/hyperventilation syndrome

The review found no eligible studies for this question.

1 finding from 1 review