Table 1.
Patient characteristics.
| Cystic fibrosis | Healthy controls | |
|---|---|---|
| Number total | 80 | 10 |
| Age (years) | 22 ± 10 | 28 ± 8 |
| Gender (M : F) | 48/32 | 6/4 |
| FEV1 (% pred) | 64.6 ± 15 | n.d. |
| FVC (% of pred) | 73 ± 20 | n.d. |
| MEF25–75 (% pred) | 33 ± 12 | n.d. |
| Neutrophils (%) in sputum | 88 ± 29 | 20 ± 9 |
| dF508 homozygous/heterozygous/other | 38/27/15 | n.d. |
Statistical analysis was performed with ANOVA and the two-sided t-test. M: male, F: female; FEV1: forced expiratory volume in 1 second (% of predicted); results are expressed as means ± standard deviation; n.d. not determined.