Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

360 questions · 382 findings · 30 reviews · Airways

No studies found 50 · 13.1%GRADE not reported 40 · 10.5%Very low 64 · 16.8%Low 104 · 27.2%Moderate 97 · 25.4%High 27 · 7.1%

Self‐management interventions vs usual care

Courses of oral corticosteroids · patients with chronic obstructive pulmonary disease

Self‐management interventions including action plans for exacerbations showed no clear difference in courses of oral steroids compared with usual care (low certainty).

1 finding from 1 review