Budesonide/formoterol (BDF) vs placebo
Budesonide/formoterol (BDF) showed no clear difference in adverse events—'serious'—320/94 Duration of 10 months3 compared with placebo (low certainty).
- Combined corticosteroid and long‐acting beta₂‐agonist in one inhaler versus placebo for chronic obstructive pulmonary… 2013 · Cochrane Headline outcomes onlyOR 1.17 [0.95, 1.45]2476 participantsLow