Baseline | Acute# | 2 weeks (sustained¶) | |||
Pre-treatment | Post-treatment | ||||
0.12% saline | FEV1 | 57.9±12.6 | 59.2±12.3 | 57.6±13.6 | 59.4±13.3 |
FEF25–75 | 31.6±13.7 | 33.2±13.0 | 31.7±13.6 | 34.5±16.2 | |
7% saline | FEV1 | 58.9±13.2 | 58.0±12.6 | 58.0±12.5 | 59.2±12.9 |
FEF25–75 | 33.6±14.9 | 34.6±17.5 | 31.6±16.5 | 33.5±15.1 |
Data are presented as mean±sd. FEV1: forced expiratory volume in 1 s; FEF25–75: forced expiratory flow at 25–75% of forced vital capacity. #: acute values were measured immediately before and 2 h after first dose of study treatment; ¶: sustained values measured ∼12 h after final dose of 2-week treatment period.