Table 1.
Patients characteristic and bronchoalveolar lavage cells, protein content and bacteria
| Cystic fibrosis | Chronic bronchitis | Pneumonia | Healthy controls | |
| n (male) | 21 (10) | 15 (5) | 14 (9) | 14 (9) |
| Age (years) | 14.0 (11.7 – 17.3) | 4.2 (0.8 – 7.2) | 2.1 (0.9 – 4.9) | 7.6 (2.2 – 23.3) |
| FEV1 (% pred) | 89.0 (79.1 – 97.7) | 100.0 (100.0 – 108.0) | 96.0+ | n.d. |
| Total cells (× 106/ml) | 7.3 (0.8 – 31.9) | 14.5 (10.5 – 26.0) | 20.5 (9.5 – 50.8) | 9.2 (6.6 – 16.1) |
| PMN (%) | 40.6 (2.2 – 79.8) | 2.0 (1.0 – 7.0) | 13.0 (2.5 – 56.0) | 1.1 (0.8 – 2.0) |
| Total protein (μg/ml) | 81.0 (51.4 – 130.2) | 103.1 (85.8 – 166.1) | 120.0 (88.6 – 159.5) | 68.5 (51.7 – 87.9) |
| P. aeruginosa (x/n) | 8/21 | 0/15, other 5/15 | 1/14, other 10/14 | 0/14 |
| St. aureus (x/n) | 7/21 | 0/15, other 5/15 | 1/14, other 10/14 | 0/14 |
Data are median and 25./75. percentile; n.d. not done; other (2 Pseudomonas, 2 Klebsiella, 1 Staphylococcus, 4 Pneumococcus, 6 Haemophilus, 1 E. coli (16 different bacteria, one patient had two different strains isolated); + Only one patient with pneumonia was assessed by lung function.