Table 4.
Neonatal Mortality and Morbidity
| VLGAI | 29- to 31-wk stratum | ELGAI | ||||
|---|---|---|---|---|---|---|
| Period 1 N = 91 |
Period 2 N = 72 |
Period 1 N = 43 |
Period 2 N = 30 |
Period 1 N = 48 |
Period 2 N = 42 |
|
| Physiologic BPD at 36 weeks GA, n (%) | 15 (16) | 2 (3) *## | 4 (9) | 0 (0) | 11 (23) | 2 (5) *# |
| Mortality, n (%) | 10 (11) | 9 (13) | 1 (2) | 1 (3) | 9 (19) | 8 (19) |
| Mortality within the first 72 h, n (%) | 4 (4) | 2 (3) | 1 (2) | 0 (0) | 3 (6) | 2 (5) |
| BPD and/or mortality, n (%) | 25 (27) | 11 (15) | 5 (12) | 1 (3) | 20 (42) | 10 (24) |
| Pneumothorax, n (%) | 1 (1) | 2 (3) | 0 (0) | 0 (0) | 1 (2) | 2 (5) |
| Treated PDA, n (%) | 15 (17) | 13 (18) | 0 (0) | 2 (7) | 15 (31) | 11 (26) |
| NEC ≥ grade 2a, n (%) | 4 (4) | 4 (6) | 1 (2) | 1 (3) | 3 (6) | 3 (7) |
| IVH > grade 2, n (%) | 3 (3) | 3 (4) | 0 (0) | 0 (0) | 3 (6) | 3 (7) |
| Periventricular leukomalacia, n (%) | 4 (4) | 0 (0) | 2 (4) | 0 (0) | 2 (4) | 0 (0) |
| ROP > grade 2, n (%) | 1 (1) | 0 (0) | 0 (0) | 0 (0) | 1 (2) | 0 (0) |
VLGAI Very low gestational age infants < 32 weeks, BPD Bronchopulmonary dysplasia, PDA Patent ductus arteriosus, NEC Necrotizing enterocolitis, IVH Intraventricular hemorrhage, ROP Retinopathy of prematurity; *#: p and adjusted p < 0.05; *##: p and adjusted p < 0.01