Table 1. Comparison of demographic and clinical parameters.
|
Treated children |
Surviving children |
Evaluated children |
Lost to follow-up |
p | |
| (n = 926) | (n = 694) | (n = 433) | (n = 257) | ||
| Data at birth | |||||
| Weeks’ gestation | 25.5 ± 1.3 | 25.8 ± 1.2 | 25.7 ± 1.2 | 25.9 ± 1.1 | 0.190 |
| Birth weight (g) | 798 ± 207 | 832 ± 197 | 831 ± 199 | 837 ± 192 | 0.451 |
| Sex, male | 55.1% | 52.4% | 53.3% | 51.0% | 0.548 |
| Multiple births | 25.3% | 25.3% | 24.6% | 26.4% | 0.601 |
| Spontaneous delivery | 13.9% | 13.1% | 14.4% | 10.7% | 0.184 |
| pH value <7.1 | 4.2% | 3.4% | 3.3% | 3.6% | 0.888 |
| Neonatal care data | |||||
| Severe brain injury (IVH III/PVH/PVL) |
21.8% | 14.4% | 15.7% | 12.2% | 0.212 |
| Mechanical ventilation 2 weeks |
30.1% | 33.9% | 36.0% | 29.4% | 0.076 |
| Sepsis | 39.8% | 39.2% | 40.1% | 37.3% | 0.483 |
| Patent ductus arteriosus | 24.8% | 28.0% | 28.3% | 26.9% | 0.709 |
| Surgery for necrotizing enterocolitis | 5.5% | 3.8% | 3.4% | 4.2% | 0.622 |
IVH III, intraventricular hemorrhage grade 3; PVH,periventricular hemorrhage; PVL, periventricular leukomalacia