Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

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

FEV1 · patients with chronic obstructive pulmonary disease

Long‐acting beta2‐agonists showed no clear difference in predose FEV1 (mL) compared with placebo (low certainty).

1 finding from 1 review

Long‐acting beta₂‐agonists for chronic obstructive pulmonary disease 2013 · Cochrane Headline outcomes only
MD 73
14 studies · 6125 participants
Low