Table 2.
Cell counts in bronchial wash (BW) samples
| Full term-birth | Preterm-birth | P-value | |||
|---|---|---|---|---|---|
| Healthy | Asthma | Preterm | BPD | ||
| Performed BW | 23 | 22 | 20 | 23 | |
| Total cell yield (×106) | 0.78 (0.57–1.59) | 0.61 (0.45–0.89) | 0.60 (0.47–1.01) | 0.59 (0.43–0.80) | 0.150 |
| Epithelial cells (%) | 59.2 (50.2–75.0) | 62.9 (45.4–71.6) | 54.3 (47.7–68.6) | 55.6 (50.2–61.4) | 0.646 |
| Macrophages (%) | 17.0 (11.7–20.6) | 23.6 (19.4–30.6) | 26.4 (11.0-34.9) | 25.8 (18.8–31.9) | 0.094 |
| Neutrophils (%) | 12.8 (7.5–21.4) | 9.9 (3.6–14.8) | 11.3 (5.3–17.0) | 12.8 (6.6–19.0) | 0.303 |
| Lymphocytes (%) | 3.8 (2.5–4.7) | 3.4 (3.2–5.2) | 4.7 (4.0-7.5) | 6.6 (5.1-8.0)** | < 0.001 |
| Eosinophils (%) | 0 (0-0.2) | 0.3 (0–1) | 0 (0–0)** | 0 (0–0)** | < 0.001 |
Note: Data are presented as n or median (interquartile range). BPD: bronchopulmonary dysplasia. *:P(delete p) p < 0.05, **:P(delete p) p < 0.01, comparing BPD and preterm group to asthma group