| Resuscitation | | 5 minute Apgar score | | <7, n (%) | 16 (20) | 7–10, n (%) | 64 (80) |
| Admission | | Mechanical ventilation, n (%) | 70 (87.5) | Spontaneous ventilation, n (%) | 10 (12.5) | Arterial blood pH | | ≥7.35, n (%) | 25 (31.3) | <7.35, n (%) | 55 (68.7) |
| Anomalies | | Chromosomal anomaly (amniotic fluid study), n (%) | 2 (3.7) | 45, X0 n (%) | 1 (1.8) | 47, XX, +i(9) (pter-p10::p10-pter).ish i(9) (wcp9+) n (%) | 1 (1.8) | Other major congenital anomaly, n (%) | 3 (5.6) | Esophageal atresia, n (%) | 1 (1.8) | Cystic hygroma of the neck, n (%) | 1 (1.8) | Coarctation of aorta, n (%) | 1 (1.8) | Nonimmune hydrops fetalis, n (%) | 1 (1.8) |
| Evolution | | Pulmonary hypertension | | Mild (<40 mmHg), n (%) | 19 (23.7) | Moderate (40–60 mmHg), n (%) | 27 (33.8) | Severe (>60 mmHg), n (%) | 34 (42.5) | HFOV, n (%) | 10 (12.5) | INO, n (%) | 18 (22.5) | Sildenafil, n (%) | 15 (18.7) | Inotropic support, n (%) | 42 (52.5) | ECMO, n (%) | 1 (1.2) | Need for paralysis, n (%) | 20 (25) | Preoperative pneumothorax, n (%) | 7 (8.7) | Surgery, n (%) | 58 (72.5) | Day of surgery, median (min-max) | 4 (1–42) | Side of hernia | | Right, n (%) | 11 (13.8) | Left, n (%) | 68 (85) | Bilateral, n (%) | 1 (1.2) | Intrathoracic liver, n (%) | 22 (20) | Duration of NICU stay (days), median (min-max) | 14 (1–167) | Deceased, n (%) | 41 (51.2) | Discharged, n (%) | 39 (48.7) |
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