Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,234 questions · 2,325 findings · 216 reviews · Airways

No studies found 249 · 10.7%GRADE not reported 107 · 4.6%Very low 276 · 11.9%Low 751 · 32.3%Moderate 718 · 30.9%High 224 · 9.6%

As‐required FABA/ICS inhalers vs regular inhaled steroid

Rate of exacerbations requiring systemic corticosteroids · mild asthma

As‐required FABA/ICS inhalers showed no clear difference in exacerbations requiring systemic steroid compared with regular inhaled steroid (low certainty).

1 finding from 1 review

Supervised maintenance programme following pulmonary rehabilitation vs usual care

Hospital admissions · patients with chronic obstructive pulmonary disease

Supervised maintenance programme following pulmonary rehabilitation showed no clear difference in hospital admission (all‐cause): number of people admitted to hospital compared with usual care (low certainty).

2 findings from 1 review

Supervised maintenance programme following pulmonary rehabilitation vs usual care

Exacerbations (number of people experiencing ≥ 1 exacerbations) · patients with chronic obstructive pulmonary disease

Supervised maintenance programme following pulmonary rehabilitation showed no clear difference in exacerbation: number of people experiencing one or more exacerbation compared with usual care (low certainty).

1 finding from 1 review