Demographics for subgroup comparisons
| Sputum eosinophils | Sputum neutrophils | Asthma Control Questionnaire | ||||
| ≥2% (n=8) | <2% (n=10) | ≥40% (n=10) | <40% (n=8) | <1 (n=17) | ≥1 (n=18) | |
| Age, mean (SD) | 46.8 (15.1) | 47.5 (10.7) | 52.7 (10.8) | 40.3 (11.3)* | 42.9 (16.0) | 49.1 (12.5) |
| Gender (M/F) | 5/3 | 5/5 | 6/4 | 4/4 | 8/9 | 9/9 |
| Predicted FEV1 (%), mean (SD) | 73.6 (21.3) | 102.0 (16.7)* | 85.1 (27.3) | 94.7 (17.6) | 104.1 (17.3) | 79.6 (19.6)* |
| Predicted FVC (%), mean (SD) | 98.9 (8.0) | 113.2 (13.7)* | 106.5 (14.5) | 107.3 (12.9) | 111.9 (14.5) | 100.5 (12.2)* |
| FEV1/FVC | 62.4 (13.4) | 74.5 (6.7)* | 65.8 (13.0) | 73.2 (8.8) | 77.7 (6.5) | 65.1 (11.4)* |
| Inhaled steroids (Y/N) | 8/0 | 7/3 | 9/1 | 6/2 | 7/10 | 18/0* |
| Exhaled nitric oxide, mean (SD) | 42.2 (29.0) | 27.1 (24.3) | 24.9 (19.8) | 45.0 (31.4) | 28.5 (21.7) | 29.8 (24.0) |
* p≤0.05 versus comparator group.
FEV1, forced expiratory volume in one second; FVC, forced vital capacity.