Patient characteristics
| Normal subjects | Cystic fibrosis | |
| Number | 10 | 19 |
| Age (years) | 32 (1.8) | 28 (2.1) |
| Sex (F/M) | 4/6 | 11/8 |
| FEV1 (% predicted) | 98 (6.5) | 49.8 (4.2)** |
| FVC (% predicted) | 101 (5.5) | 77.0 (5.7)1-150 |
| ESR (mm/h) | 17.1 (3.3) | |
| WBC (×109/l) | 9.4 (2.9) |
FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; WBC = peripheral white blood cell count.
Data are expressed as mean (SE).
↵1-150 p<0.05, **p<0.0001 compared with normal subjects.