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What do systematic reviews say?

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Evidence found and GRADE certainty

1 questions · 1 findings · 1 reviews · Airways

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 100%High 0 · 0%

Intervention not reported

Mortality (all‐cause) ‐ formoterol versus salbutamol ( · patients with chronic asthma

The intervention showed no clear difference in mortality (all‐cause) ‐ formoterol versus salbutamol ( (moderate certainty).

1 finding from 1 review