Beta2‐agonists vs placebo (single administration)
Maximal percentage fall in FEV1 · exercise‐induced asthma
1 finding from 1 review
- no estimate extracted72 studies · 799 participantsModerate
Beta2‐agonists probably leads to lower number of participants with an FEV1 fall > 10% compared with placebo (single administration) (moderate certainty).
Beta2‐agonists showed no clear difference in side effects compared with placebo (single administration) (low certainty).