Geometric mean cough frequency (coughs/hour) and the ratio (omeprazole:placebo) of geometric means at the end of treatment, adjusted for baseline cough frequency (complete-case analysis set; n=40)
| Omeprazole (n=20) | Placebo (n=20) | ||||
| Baseline geometric mean (95% CI) | End of treatment geometric mean (95% CI) | Baseline geometric mean (95% CI) | End of treatment geometric mean (95% CI) | Ratio of geometric means at end of treatment, adjusted for baseline (95% CI) | |
| 24 hours | 8.2 (5.4 to 12.7) | 4.6 (2.4 to 8.7) | 9.1 (6.8 to 12.2) | 8.3 (5.3 to 12.9) | 0.609 (0.340 to 1.093) |
| Awake/daytime | 10.8 (6.8 to 17.0) | 6.1 (3.2 to 11.8) | 11.8 (8.9 to 15.8) | 10.7 (6.7 to 17.2) | 0.629 (0.354 to 1.119) |
| Asleep/night-time | 1.7 (0.9 to 3.3) | 1.1 (0.6 to 2.0) | 2.3 (1.1 to 4.7) | 2.1 (1.2 to 3.7) | 0.553 (0.267 to 1.146) |