Table 1.
Background characteristics of CDH patients
| Variables | CDH patients (n = 122) |
|---|---|
| Gestational age at delivery (weeks) | 38+2 (37+5–38+5) |
| Birth 30–34 weeks of GA | 5 (4.1%) |
| Birth 34–37 weeks of GA | 18 (14.8%) |
| Birth weight (grams) | 3000 (2700–3200) |
| Gender: male | 63 (51.6%) |
| Prenatal liver position | |
| Intra‐abdominal | 67 (54.9%) |
| Intrathoracic | 52 (42.6%) |
| Unknown/ missing | 3 (2.5%) |
| Postnatal liver position (during surgery) | |
| Intra‐abdominal | 65 (53.3%) |
| Intrathoracic | 50 (41.0%) |
| No repair | 5 (4.1%) |
| Unknown/ missing | 2 (1.6%) |
| Defect size2 | |
| A | 10 (8.2%) |
| B | 28 (23.0%) |
| C | 56 (45.9%) |
| D | 10 (8.2%) |
| No repair | 5 (4.0%) |
| Unknown/ missing | 13 (10.7%) |
| ECMO | 38 (31.1%) |
| Survival after first year of life | 95 (77.9%) |
| CLD (in survivors) | 37 (38.9%) |
GA, gestational age; ECMO, extracorporeal membrane oxygenation; CLD, chronic lung disease; CDH, congenital diaphragmatic hernia.
Data are presented as numbers (%) or median (interquartile range). Defect size was classified according to Lally et al. 2 with ‘A’ being defects entirely surrounded by muscle, ‘B’ defects having a small (<50%) and ‘C’ defects having a large (>50%) portion of the chest wall devoid of diaphragm tissue, and ‘D’ patients having complete or near complete absence of the diaphragm.