Mean percentage (95% CI) of days and nights without symptoms or use of rescue treatment (in favour of added salmeterol) (all p<0.001)
| Outcomes | 3 months | 6 months |
|---|---|---|
| Days without symptoms (%) | 11 (8 to 15) | 15 (11 to 19) |
| Nights without symptoms (%) | 5 (2 to 8) | 6 (3 to 9) |
| Days without rescue medications (%) | 16 (13 to 20) | 19 (14 to 24) |
| Nights without rescue medications (%) | 9 (5 to 12) | 9 (5 to 13) |