Baseline characteristics of the study population
| Average | |
| Age yrs | 23.8±7.8 |
| Female n | 10 |
| FEV1 L | 1.71±0.52 |
| FEV1 % | 52.7±16 |
| Weight kg | 55.3±8.4 |
| Body mass index kg·m−2 | 20.5±2 |
| Microbiology n# | |
| Pseudomonas aeruginosa | 11 |
| Burkholderia cepacia | 1 |
| Staphylococcus aureus | 3 |
| Medications n | |
| Bronchodilators | 9 |
| Inhaled corticosteroids | 11 |
| Inhaled antibiotics | 12 |
| Inhaled deoxyribonuclease | 1 |
| Azithromycin | 3 |
Data are presented as mean±sd, unless otherwise indicated. FEV1: forced expiratory volume in one second; FEV1 %: FEV1 as a percentage of the predicted value. #: subjects with chronic pulmonary colonisation by the indicated organism (some subjects were colonised with >1 organism). n = 14.