Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

259 questions · 260 findings · 27 reviews · Airways

No studies found 22 · 8.5%GRADE not reported 15 · 5.8%Very low 30 · 11.5%Low 99 · 38.1%Moderate 79 · 30.4%High 15 · 5.8%

Single inhaler therapy vs fixed dose ICS

Hospital admissions due to exacerbations: number of participants · adults with asthma not well controlled on ICS

Single inhaler therapy showed no clear difference in patients with exacerbations causing hospitalisation compared with fixed dose ICS (moderate certainty).

1 finding from 1 review

Single inhaler therapy vs fixed dose ICS

Rate of exacerbations requiring systemic corticosteroids · adults with asthma not well controlled on ICS

Single inhaler therapy leads to lower patients with exacerbations treated with oral steroids compared with fixed dose ICS (high certainty).

1 finding from 1 review