The clinical characteristics of the study participants
| ≥1×105 cfu·mL−1 | <1×105 cfu·mL−1 | |
| Subjects n | 9 | 24 |
| Age months | 35.3±21.3 | 22.1±13.3 |
| Age range months | 3–57 | 1.5–50 |
| Sex % male | 33 | 54 |
| CF genotype % | ||
| Homozygous ΔF508 | 7 (78) | 16 (67) |
| Heterozygous ΔF508 | 1 (11) | 7 (29) |
| No copies ΔF508 | 1 (11) | 1 (4) |
| Respiratory symptoms % | 8 (89) | 19 (79) |
| Oral antibiotics % | 6 (67) | 12 (50) |
Data are presented as mean±sd or n (%).
1×105 colony forming units of pathogenic bacteria·mL−1 of bronchoalveolar lavage fluid from ≥1 lobes 9
oral antistaphylococcal antibiotics. CF: cyctic fibrosis.