Table 1 Baseline demographic characteristics of each group
Overall patients (n = 249) | Routine (n = 170) | Low flow (n = 79) | P value | |
|---|---|---|---|---|
Age at surgery (days) (Median, IQR) | 6.0 (4.0, 11.0) | 6.0 (4.0, 13.0) | 6.0 (3.0, 9.0) | 0.35 |
Weight at surgery (kg) (Median, IQR) | 2.8 (2.2, 3.2) | 2.7 (2.1, 3.2) | 2.9 (2.4, 3.2) | 0.27 |
Sex (male, %) | 148 (59.4) | 98 (57.6) | 50 (63.3) | 0.48 |
Birth body weight (kg) (Median, IQR) | 2.8 (2.1, 3.3) | 2.8 (2.1, 3.3) | 2.9 (2.2, 3.4) | 0.20 |
Gestation days (Median, IQR) | 264 (245, 274) | 263 (242, 274) | 265 (248, 274) | 0.83 |
ASA, n (%) | 0.20 | |||
I | 1 (0.4) | 0 (0) | 1 (1.3) | |
II | 70 (28.1) | 49 (28.8) | 21 (26.6) | |
III | 159 (63.9) | 111 (65.3) | 48 (60.8) | |
IV | 19 (7.6) | 10 (5.9) | 9 (11.4) | |
Type of surgery | 0.38 | |||
Elective, n (%) | 77 (30.9) | 56 (32.9) | 21 (26.6) | |
Emergency, n (%) | 172 (69.1) | 114 (67.1) | 58 (73.4) | |
Diagnosis | 0.11 | |||
Congenital anorectal malformation, n (%) | 51 (20.5) | 30 (17.6) | 21 (26.6) | |
Gastric perforation, n (%) | 9 (3.6) | 5 (2.9) | 4 (5.1) | |
Ileus, n (%) | 10 (4.0) | 7 (4.1) | 3 (3.8) | |
Intestinal atresia, n (%) | 37 (14.9) | 23 (13.5) | 14 (17.7) | |
Neonatal necrotizing enterocolitis (NEC), n (%) | 117 (47.0) | 90 (52.9) | 27 (34.2) | |
Pyloric hypertrophy, n (%) | 5 (2.0) | 2 (1.2) | 3 (3.8) | |
Umbilical bulge, n (%) | 9 (3.6) | 6 (3.5) | 3 (3.8) | |
Hernia, n (%) | 1 (0.4) | 1 (0.6) | 0 (0) | |
Diaphragmatic hernia, n (%) | 3 (1.2) | 2 (1.2) | 1 (1.3) | |
Appendicitis, n (%) | 1 (0.4) | 1 (0.6) | 0 (0) | |
Intestinal malrotation, n (%) | 3 (1.2) | 3 (1.8) | 0 (0) | |
Others, n (%) | 3 (1.2) | 0 (0) | 3 | |
Surgical service | 0.08 | |||
Anoplasty, n (%) | 51 (20.5) | 30 (17.6) | 21 (26.6) | |
Enterectomy, n (%) | 164 (65.9) | 120 (70.6) | 44 (55.7) | |
Gastric perforation repair, n (%) | 9 (3.6) | 5 (2.9) | 4 (5.1) | |
Pyloric myotomy, n (%) | 5 (2.0) | 2 (1.2) | 3 (3.8) | |
Umbilical bulge repair, n (%) | 9 (3.6) | 6 (3.5) | 3 (3.8) | |
Hernia repair, n (%) | 1 (0.4) | 1 (0.6) | 0 (0) | |
Others, n (%) | 10 (4.0) | 6 (3.5) | 4 (5.1) |