Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

9 questions · 9 findings · 6 reviews · Airways

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 22.2%Low 3 · 33.3%Moderate 4 · 44.4%High 0 · 0%

Intervention not reported

Functional exercise capacity (change from baseline; mixed population) ‐ 6‐minute walk test metres · patients with stable chronic obstructive pulmonary disease
1 finding from 1 review