Table 2.
Sputum, blood counts and spirometry (mean, SD) values
| At initial visit | When sputum was normal | Current | |
|---|---|---|---|
| Sputum | |||
| Total cell count, ×106/g | 16 (24) | 9 (11) | 12 (8) |
| Eosinophil, % | 22 (18) | 1 (4) | 2.4 (4.2) |
| Neutrophil, % | 60 (49) | 72 (28) | 64 (20) |
| Blood | |||
| Eosinophil count, ×103/l | 0.4 (0.5) | 0.1 (0.2) | 0.2 (0.3) |
| Eosinophil % | 6 (8) | 4 (8) | 4 (6) |
| Spirometry | |||
| FEV1, L | 2.3 (0.8) | 2.5 (0.8) | 2.2 (0.8) |
| FEV1, % | 70.7 (20.1) | 76.9 (18.2) | 69.4 (18.1) |
| VC, L | 3.6 (1.1) | 3.6 (0.9) | 3.4 (1.1) |
| VC, % | 88.7 (16.9) | 90.9 (12.9) | 84.4 (22.4) |
| FEV1/VC, % | 63 (14) | 65 (13) | 64 (14) |