Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

82 questions · 84 findings · 46 reviews · Airways

No studies found 6 · 7.1%GRADE not reported 4 · 4.8%Very low 12 · 14.3%Low 25 · 29.8%Moderate 34 · 40.5%High 3 · 3.6%

Supervised maintenance programme following pulmonary rehabilitation vs usual care

All‐cause mortality · patients with chronic obstructive pulmonary disease

Supervised maintenance programme following pulmonary rehabilitation showed no clear difference in mortality compared with usual care (moderate certainty).

1 finding from 1 review