Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

152 questions · 159 findings · 83 reviews · Headline outcomes only

No studies found 36 · 22.6%GRADE not reported 9 · 5.7%Very low 28 · 17.6%Low 40 · 25.2%Moderate 37 · 23.3%High 9 · 5.7%

Pulmonary rehabilitation plus inspiratory muscle training vs pulmonary rehabilitation alone

Health‐related quality of life · patients with chronic obstructive pulmonary disease
2 findings from 1 review