Secondary outcomes
| Surgical site infection, % (number of cases/sample size) | Wound dehiscence, % (number of cases/sample size) | Unplanned reintervention, % (number of cases/sample size) | 30-day post-intervention mortality % (number of cases/sample size)* | Duration of hospital stay among patients who survived to discharge (days)† | Duration of hospital stay among patients who died in hospital (days)† | |
| Gastroschisis | 21.1 (20/95) | 3.2 (3/94) | 16.0 (15/94) | 74.8 (83/111) | 16.5, 7–24 | 4, 2–7 |
| Anorectal malformation | 23.1 (37/160) | 9.4 (15/160) | 11.2 (19/170) | 17.0 (32/188) | 7, 5–14 | 3, 2–5 |
| Intussusception | 25.4 (45/177) | 7.3 (13/177) | 11.6 (26/224) | 9.3 (21/225) | 7, 5–11 | 3, 2–5 |
| Appendicitis | 18.5 (45/243) | 4.9 (12/243) | 9.9 (24/243) | 0.4 (1/250) | 5, 4–8 | 3 |
| Inguinal hernia | 4.2 (26/625) | 1.0 (6/625) | 1.3 (8/624) | 0.3 (2/633) | 1, 1–3 | 1 |
*Study population used as denominator; 30-day post intervention mortality status unknown for 16.4% patients (online supplemental appendix table 4).
†Median, IQR. One patient died in each of the appendicitis and inguinal hernia categories, hence IQR not available.