Table 1.
Description of the 3 groups
| Asthma (n = 14) | Healthy controls (n = 9) | Pathologic controls (n = 10 including 4 with BALF cytology) | ||||
|---|---|---|---|---|---|---|
| Median | Range | Median | Range | Median | Range | |
| Age | 8 | 3‐14 | 9 | 5‐20 | 8 | 2‐16 |
| HOARSI score | 2 | 2 | 1 | 1 | 1 | 1 |
| BALF | ||||||
| Neutrophil (%) | 14 | 6.0‐21 | 2.2 | 1.6‐4.2 | 3.0 | 1.2‐5.0 |
| Mast cell (%) | 0.9 | 0.0‐3.2 | 1.0 | 0.0‐1.8 | 1.5 | 1.0‐1.8 |
| Eosinophil (%) | 0.0 | 0.0‐1.0 | 0.0 | 0.0‐0.8 | 0.0 | 0.0 |
| Lymphocyte (%) | 44 | 29‐71 | 57 | 18‐60 | 41 | 40‐43 |
| Macrophage (%) | 37 | 15‐58 | 40 | 34‐79 | 53 | 48‐57 |
| CBC | ||||||
| Leukocytes (×109/L) | 8.6 | 6.1‐10 | 5.7 | 5.1‐8.2 | 6.4 | 3.6‐10 |
| Neutrophils (×109/L) | 5.5 | 3.3‐8.0 | 3.3 | 2.4‐4.2 | 4.5 | 2.4‐6.8 |
| Lymphocytes (×109/L) | 1.9 | 1.4‐4.1 | 2.3 | 1.9‐4.0 | 1.9 | 0.9‐3.7 |
| Total solids (g/L) | 68 | 61‐76 | 65 | 59‐69 | 68 | 60‐82 |
| Fibrinogen (g/L) | 2.0 | 1.0‐3.0 | 2.0 | 2.0‐3.0 | 2.0 | 1.0‐5.0 |
Abbreviations: BALF, bronchoalveolar lavage fluid (differential cell count performed on 400 cells); HOARSI, Horse Owner Assessed Respiratory Signs Index.