Inflammatory markers in airway compartments
| Sputum % | BW % | BAL % | Biopsy ×106·mL−1 | |
| Neutrophils | 77.3 | 5.5 | 1.7 | 385 |
| Macrophages | 19.4 | 55.3 | 85.8 | 1155 |
| Lymphocytes | 1.9 | 3.5 | 6.9 | 935 |
| Eosinophils | 1.2 | 0.5 | 0.4 | 30 |
| IL-8 µg·L−1 | 13400 | 160 | 40 | |
| ECP µg·L−1 | 750 | 4 | 16 |
Data are presented as median values
BW: bronchial wash
BAL: bronchoalveolar lavage
IL: interleukin
ECP: eosinophil cationic protein
Reproduced from 94 with permission