Table 2.
Sputum cell counts
| COPD | S | HNS | p-value (ANOVA) | |
|---|---|---|---|---|
| Neutrophil% | 69.5 (23.8)* | 54 (25.1) | 38.7 (27.2) | 0.0003 |
| Macrophage% | 26.6 (23.7)**§ | 48.7 (28.4) | 46.3 (33.1) | 0.0033 |
| Eosinophil %^ | 1.3 (0–23.3)*† | 0 (0–1.5) | 0 (0–2.5) | <0.0001 |
| Lymphocyte % | 0.1 (0.4) | 0.1 (0.5) | 0.02 (0.06) | ns |
| TCC*106 | 3.3 (3.6)** | 2.9 (4.4) | 0.7 (0.7) | ns |
| TCC/g*106 | 3.5 (3) | 2.9 (3.2) | 2.4 (2.2) | ns |
| Neutrophil TCC/g*106 | 2.6 (2.8)*† | 0.3 (0.2) | 0.3 (0.2) | 0.0004 |
| Macrophage TCC/g*106 | 0.7 (0.7) | 0.5 (0.8) | 0.4 (0.5) | ns |
| Eosinophil TCC/g*106^ | 0.03 (0–1.5) ‡¶ | 0 (0–0.02) | 0 (0–0.01) | <0.0001 |
| Lymphocyte TCC/g*106 | 0.003 (0.007) | 0.001 (0.002) | 0.0001 (0.001) | ns |
Data is presented as mean (SD) with the exception of ^eosinophil % and eosinophil TCC/g which are presented as median (range). Explanation of abbreviations: TCC Total cell count, TCC/g Total cell count/gram *p < 0.001 COPD vs HNS, **p < 0.05 COPD vs HNS, §p < 0.05 COPD vs S, †p < 0.001 COPD vs S, ‡p < 0.0001 COPD vs HNS, ¶ p < 0.0001 COPD vs S.