Time to patients achieving their first instance of ≥100 ml improvement in forced expiratory volume in one second 0–4 h postdose day 1 (intent-to-treat population)
| Planned relative time, n (%) | Placebo (N=20) | FF/VI 400/25 μg (N=40) |
| 5 min | 2 (10) | 26 (65) |
| 15 min | 2 (10) | 3 (8) |
| 30 min | 3 (15) | 1 (3) |
| 1 h | 0 | 2 (5) |
| 2 h | 1 (5) | 2 (5) |
| 4 h | 2 (10) | 0 |
| Censored | 10 (50) | 6 (15) |
Censored values are for patients who did not achieve a ≥100 ml improvement 0–4 h postdose.
FF, fluticasone furoate; VI, vilanterol.