Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

38 questions · 38 findings · 17 reviews · Airways

No studies found 2 · 5.3%GRADE not reported 1 · 2.6%Very low 2 · 5.3%Low 19 · 50%Moderate 12 · 31.6%High 2 · 5.3%

Formoterol vs short‐acting beta2‐agonist

Exacerbations requiring oral corticosteroids ‐ adults · people with asthma

Formoterol probably leads to lower patients with an exacerbation requiring a course of oral… compared with short‐acting beta2‐agonist (moderate certainty).

1 finding from 1 review