Table 5.
Biopsy cellularity in COPD
| Current smokers (n = 17) | Ex-smokers (n = 17) | Significance | ||
|---|---|---|---|---|
| Neutrophil elastase+ | Cells/mm | 7.6 (2.3–16.2) | 10.3 (6.9–16.7) | NS |
| EG1+ | Cells/mm | 4.8 (2.4–10.3) | 9.8 (3.2–13.2) | NS |
| EG2+ | Cells/mm | 3.7 (1.1–11.5) | 9.5 (1.6–15.0) | NS |
| Mast cell tryptase+ | Cells/mm | 11.6 (9.6–14.0) | 11.2 (9.5–14.8) | NS |
| CD4+ | Cells/mm | 7.3 (4.2–11.7) | 6.8 (2.7–15.1) | NS |
| CD8+ | Cells/mm | 29.3 (24.3–34.9) | 30.2 (11.4–36.0) | NS |
| CD4+/CD8+ | Cells/mm | 0.3 (0.2–0.5) | 0.4 (0.1–0.6) | NS |
| CD68+ | ells/mm | 22.4 (14.0–28.1) | 19.6 (12.9–29.8) | NS |
Data are presented as Median (interquartile ranges); Cells/mm = cells per mm of basement membrane length to a depth of 150 μm in the lamina propria.