Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

51 questions · 52 findings · 20 reviews · Headline outcomes only

No studies found 9 · 17.3%GRADE not reported 0 · 0%Very low 17 · 32.7%Low 17 · 32.7%Moderate 8 · 15.4%High 1 · 1.9%

Intervention not reported

Exercise tolerance Measured using 6MWD · patients with asthma aged eight years or older
1 finding from 1 review