Table 3.
Incidence of neonatal morbidities and their temporal trends over the years
| BPDa No. (%) | NECb No. (%) | IVHc No. (%) | PVLd No. (%) | PDAe No. (%) | RDSf No. (%) | ROPg No. (%) | Sepsis No. (%) | |
|---|---|---|---|---|---|---|---|---|
| 1996 - 20081 (n = 2983) | 470 (15.7) | 76 (2.5) | 176 (5.9) | 66 (2.2) | 584 (19.6) | 2428 (81.4) | 38 (1.2) | 291 (9.8) |
| 19961 (n = 702) | 125 (17.8) | 23 (3.3) | 43 (6.1) | 12 (1.7) | 105 (15.0) | 550 (78.3) | 13 (1.9) | 60 (8.5) |
| 20001 (n = 750) | 104 (13.9) | 22 (2.9) | 51 (6.8) | 18 (2.4) | 128 (17.1) | 584 (77.9) | 4 (0.5) | 81 (10.8) |
| 20041 (n = 728) | 123 (16.9) | 17 (2.3) | 49 (6.7) | 21 (2.9) | 148 (20.3) | 615 (84.5) | 9 (1.2) | 65 (8.9) |
| 20081 (n = 803) | 118 (14.7) | 14 (1.7) | 33 (4.1) | 15 (1.9) | 203 (25.3) | 679 (84.6) | 12 (1.5) | 85 (10.6) |
| p-value 1996-2008 | 0.02 | 0.01 | 0.02 | 0.71 | < 0.001 | < 0.001 | 0.40 | 0.03 |
| Gender | ||||||||
| - female | 217 (14.8) | 42 (2.9) | 75 (5.1) | 39 (2.7) | 300 (20.5) | 1156 (79.1) | 14 (1.0) | 130 (8.9) |
| - male | 251 (16.5) | 34 (2.2) | 100 (6.6) | 27 (1.8) | 284 (18.7) | 1272 (83.6) | 22 (1.4) | 161 (10.6) |
| Location of birth | ||||||||
| - inborn2 | 417 (15.5) | 65 (2.3) | 149 (5.5) | 59 (2.2) | 529 (19.6) | 2205 (81.7) | 30 (1.1) | 267 (9.9) |
| - outborn | 51 (18.0) | 11 (3.9) | 26 (9.2) | 7 (2.5) | 55 (19.4) | 223 (78.5) | 6 (2.1) | 24 (8.5) |
| Mode of delivery3 | ||||||||
| - spontaneous | 100 (19.0) | 11 (2.1) | 42 (8.0) | 10 (1.9) | 105 (19.9) | 428 (81.2) | 13 (2.5) | 51 (9.7) |
| - caesarean section | 353 (15.0) | 63 (2.7) | 118 (5.0) | 53 (2.3) | 450 (19.2) | 1914 (81.5) | 21 (0.9) | 234 (10.0) |
| Number of infants | ||||||||
| - singleton | 365 (17.7) | 59 (2.9) | 129 (6.2) | 53 (2.6) | 426 (20.6) | 1715 (83.1) | 32 (1.5) | 216 (10.5) |
| - multiples | 103 (11.2) | 17 (1.9) | 46 (5.0) | 13 (1.4) | 158 (17.2) | 713 (77.7) | 4 (0.4) | 75 (8.2) |
| Gestational age4 | ||||||||
| < 26 | 103 (38.7) | 16 (6.0) | 46 (17.3) | 10 (3.8) | 111 (41.7) | 249 (93.6) | 20 (7.5) | 55 (20.7) |
| 26-27 | 180 (37.0) | 17 (3.5) | 59 (12.1) | 13 (2.7) | 183 (37.7) | 466 (95.9) | 9 (1.9) | 98 (20.2) |
| 28-29 | 123 (18.0) | 18 (2.6) | 48 (7.0) | 16 (2.3) | 160 (23.4) | 624 (91.1) | 6 (0.9) | 80 (11.7) |
| 30-31 | 50 (4.4) | 18 (1.6) | 21 (1.9) | 22 (2.0) | 113 (10.0) | 889 (79.0) | 1 (0.1) | 42 (3.7) |
1 infants who died in the delivery room were excluded, 2 born in one of the nine perinatal centres, 3 cephalic forceps and cephalic ventouse deliveries were not listed separately, 4 children born > 32 completed gestational weeks were not listed separately, a bronchopulmonary dysplasia, b necrotising enterocolitis, c intraventricular haemorrhage grade III or IV, d cystic periventricular leucomalacia, e patent ductus arteriosus, f respiratory distress syndrome, g retinopathy of prematurity grade 3 or 4