| EB (n = 6) | Asthma (n = 5) | Healthy (n = 3) | |
| Sputum eosinophils (%) median (IQR) | 4.5 (3.45–11.8) | 5.5 (0–20.6) | 0.2 (0) |
| BAL eosinophil (%) median (IQR) | 1.2 (0.37–1.55) | 1.2 (0.7–2.22) | 0 (0) |
| Eosinophil staining % area/AM geometric mean (log SE) | |||
| IS | 38.50 (0.09) | 2.51 (0.96) | 1.46 (0.27) |
| BAL | 0.95 (0.25) | 0.82 (1.07) | 0.75 (0.56) |
| p (IS–BAL) | <0.001 | 0.049 | 0.457 |
AM, asthma; BAL, bronchoalveolar lavage; EB, eosinophilic bronchitis; IQR, interquartile range; IS, induced sputum.