Baseline characteristics of newborns with critical congenital heart disease
| DDSC (50) | DDPC (139) | TGA IVS (69) | TGA VSD (25) | Obstructed TAPVC (42) | Unobstructed TAPVC (26) | Truncus arteriosus (12) | Others (55) | Total (418) | |
| Males | 26 (52%) | 70 (50%) | 43 (61%) | 12 (48%) | 24 (57%) | 16 (62%) | 11 (92%) | 36 (65%) | 238 (57%) |
| Age at diagnosis, days (median/range) | 1 (0–16) | 0 (0–21) | 1 (0–10) | 0 (0–11) | 1 (0–10) | 1 (0–22) | 0.5 (0–19) | 1 (0–17) | 1 (0–19) |
| Birth weight, kg (mean/SD) | 2.6 (0.6) | 2.7 (0.48) | 2.9 (0.5) | 2.85 (0.6) | 2.7 (0.5) | 2.7 (0.5) | 2.5 (0.4) | 2.8 (0.7) | 2.7 (0.5) |
| Gestational age <30 weeks | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 (1.8%) | 1 (0.2%) |
| 30–34 weeks | 3 (6%) | 5 (4%) | 2 (3%) | 0 | 0 | 0 | 0 | 2 (3.6%) | 12 (2.9%) |
| 35–37 weeks | 8 (16%) | 20 (14%) | 9 (13%) | 4 (16%) | 3 (7%) | 3 (12%) | 2 (17%) | 9 (16%) | 58 (13.9%) |
| >37 weeks | 39 (78%) | 114 (82%) | 59 (84%) | 21 (84%) | 39 (93%) | 23 (88%) | 10 (83%) | 43 (78%) | 348 (83.3%) |
| Mode of delivery (vaginal) | 33 (66%) | 86 (62%) | 38 (55%) | 18 (72%) | 23 (55%) | 18 (69%) | 9 (75%) | 30 (55%) | 255 (61%) |
| Type of centre (tertiary) | 26 (52%) | 69 (50%) | 23 (33%) | 11 (44%) | 10 (24%) | 13 (50%) | 4 (33%) | 21 (38%) | 158 (37.8%) |
| Antenatal diagnosis | 5 (10%) | 26 (19%) | 12 (17%) | 6 (24%) | 0 | 0 | 0 | 8 (15%) | 57 (13.6%) |
| Pulse oximeter screening | 50 (100%) | 137 (99%) | 64 (93%) | 23 (92%) | 42 (100%) | 24 (92%) | 12 (100%) | 51 (93%) | 403 (96.4%) |
| Extracardiac anomalies | 1 (2%) | 4 (3%) | 1 (1%) | 2 (8%) | 2 (5%) | 0 | 1 (8%) | 2 (3.6%) | 13 (3.1%) |
| Genetic anomalies | 0 | 8 (6%) | 1 (1%) | 0 | 2 (5%) | 0 | 0 | 2 (3.6%) | 13 (3.1%) |
DDPC, duct-dependent pulmonary circulation; DDSC, duct-dependent systemic circulation; TAPVC, total anomalous pulmonary venous connection; TGA IVS, transposition of great arteries with intact ventricular septum; TGA VSD, transposition of great arteries with ventricular septal defect.