Change from baseline in forced expiratory volume in one second(% pred) over 7 months and by treatment group in patients aged <14 yrs#
| Baseline | 1 month¶ | 3 months¶ | 6 months¶ | 7 months¶ | |
| Daily+ | 65.1±18.3 | 2.5±1.5 | 4.6±2.1* | 5.3±1.95* | 3.7±3.15 |
| Weekly§ | 66.5±15.2 | 2.2±1.8 | 2.8±1.8 | 2.7±2.41 | −0.6±3.46 |
| Mean differenceƒ | +1.4 | −0.3 | −1.8 | −2.6 | −4. 3 |
| 95% CI | −7.74–10.53 | −4.33–4.93 | −3.7–7.32 | −3.47–8.67 | −4.94–13.4 |
| p-value## | 0.90 | 0.52 | 0.40 | 0.37 |
Data are presented as mean±sd, unless otherwise stated. CI: confidence interval. #: n = 54; ¶: change compared with baseline; +: n = 24; §: n = 30; ƒ: mean difference between groups (daily versus weekly); ##: p-values relate to mean difference between groups (daily versus weekly); *: significant difference (p<0.05) from baseline.