Clinical characteristics and lavage variables on days 1–3 for the group of infants who did not develop bronchopulmonary dysplasia (No BPD) and the group who died or did develop BPD
| Variable | No BPD | Death or BPD | p Value |
|---|---|---|---|
| Values are mean (SD) or median (5th–95th centile). The lavage variables are square root transformed. | |||
| *Does not include the two subjects who died. | |||
| IL, interleukin; NF-κB, nuclear factor-kappa B; SC, secretory component. | |||
| Total | 16 | 16 | |
| Died | 0 | 2 | |
| Birth weight (g) | 1042.8 (297.1) | 778.4 (113.7) | 0.002 |
| Gestation (weeks) | 28 (25.3–30.7) | 25.5 (24.3–27.7) | <0.001 |
| Days in O2 | 18.3 (16.8) | 81.7 (16.2)* | <0.001 |
| Lavage IL8 (pg/μg SC) | 2.41 (1.68) | 1.74 (0.77) | 0.156 |
| Lavage cell count (cells/μg SC) | 1.125 (0.735) | 1.204 (0.610) | 0.752 |
| Lavage NF-κB (pg/μg protein/μg SC) | 0.062 (0.036) | 0.097 (0.043) | 0.018 |