Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

51 questions · 51 findings · 16 reviews

No studies found 9 · 17.6%GRADE not reported 3 · 5.9%Very low 15 · 29.4%Low 13 · 25.5%Moderate 7 · 13.7%High 4 · 7.8%

Intervention not reported

Exacerbations requiring oral corticosteroids 7.3‐month · people with asthma

The intervention showed no clear difference in exacerbations requiring oral corticosteroids 7.3‐month (low certainty).

1 finding from 1 review

Intervention not reported

Exacerbations requiring hospital admission 7.8‐month · people with asthma

The intervention showed no clear difference in exacerbations requiring hospital admission 7.8‐month (moderate certainty).

1 finding from 1 review