Background
Methods
Patients and tracheal aspirates
Parameter | p-value |
---|---|
Postnatal age (days) |
0.0073
|
DMBT1 concentration in tracheal aspirates |
0.0032
|
Infection/sepsis |
0.0002
|
Treatment with indomethacin | 0.1669 |
Surgery | 0.8733 |
Parameter | p-value | |
---|---|---|
Gestational age (postmenstrual age in weeks, mean ± standard deviation) | 27.5 ± 4.2 | 0.9230 |
Birth weight (g, mean ± standard deviation) | 1128 ± 839 | 0.6718 |
Bronchopulmonary dysplasia (n) | 34 (60%) | 0.3076 |
Asphyxia (n) | 7 (12%) | 0.4642 |
Intraventricular hemorrhage (all grades) | 16 (28%) | 0.2607 |
Cerebral hemorrhage (intraventricular, cerebellar, n) | 17 (30%) | 0.2782 |
Respiratory distress syndrome (n) | 50 (88%) | 0.7636 |
Maximal grade of respiratory distress syndrome (RDS) | 0.4284 | |
No RDS (n) | 7 (12%) | |
Grade 1 (n) | 6 (11%) | |
Grade 2 (n) | 18 (32%) | |
Grade 3 (n) | 20 (35%) | |
Grade 4 (n) | 6 (11%) | |
Survival (n) | 49 (86%) | 0.8802 |
Antenatal corticosteroids for lung development (complete, n) | 32 (56%) | 0.9443 |
Maternal infection (n) | 23 (40%) | 0.4403 |
Premature rupture of the membranes (n) | 8 (14%) | 0.2180 |
Small for gestational age (n) | 15 (26%) | 0.4428 |
Number of days with infection (median, range) | 11 (0–80) | 0.7470 |
Retinopathy of prematurity (n) | 34 (60%) | 0.9268 |
Maximal grade of Retinopathy of prematurity (RPM) | 0.6947 | |
No RPM | 23 (40%) | |
Stage 1 (n) | 4 (7%) | |
Stage 2 (n) | 16 (28%) | |
Stage 3 (n) | 14 (25%) | |
Stage 4 (n) | 0 | |
Stage 5 (n) | 0 |