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Table 2 Intraoperative and postoperative data

From: Analysis of risk factors for unplanned reoperation following primary repair of gastrointestinal disorders in neonates

Variables   Unplanned reoperation p value
Total (N = 296) No (N = 267) Yes (N = 29)
Type of surgeries     0.10 a
 Elective, n (%) 85 (28.7) 81 (30.3) 4 (13.8)  
 Emergency, n (%) 211 (71.3) 186 (69.7) 25 (86.2)  
Surgical services, n (%)     
 Anoplasty 60 (20.3) 59 (22.1) 1 (3.4) 0.03* a
 Appendectomy 1 (0.3) 1 (0.4) 0 (0.0) 1.00 a
 Diaphragmatic hernia repair 4 (1.4) 4 (1.5) 0 (0.0) 1.00 a
 Enterectomy 194 (65.5) 168 (62.9) 26 (89.7) < 0.01* b
 Gastric perforation repair 9 (3.0) 8 (3.0) 1 (3.4) 1.00 a
 Hernia repair 2 (0.7) 2 (0.7) 0 (0.0) 1.00 a
 Intestinal malrotation repair 3 (1.0) 3 (1.1) 0 (0.0) 1.00 a
 Intestinal Volvulus reduction 4 (1.4) 3 (1.1) 1 (3.4) 0.34 a
 Ovariocysrectomy 2 (0.7) 2 (0.7) 0 (0.0) 1.00 a
 Pyloric myotomy 5 (1.7) 5 (1.9) 0 (0.0) 1.00 a
 Umbilical bulge repair 12 (4.1) 12 (4.5) 0 (0.0) 0.62 a
Operative time (min), mean ± SD 94.0 ± 45.6 91.3 ± 43.5 119.3 ± 58.1 < 0.01* c
 Operation time > 120 min, n (%) 63 (20.8) 49 (18.4) 14 (48.3) < 0.01* b
Duration of anesthesia (min), mean ± SD 164.6 ± 61.9 162.1 ± 60.7 187.3 ± 65.9 < 0.01* c
Mean intraoperative temperature (°C), mean ± SD 35.8 ± 0.8 35.8 ± 0.8 35.6 ± 0.7 0.11 c
  ≥ 36 and < 37.5 (°C), n (%) 134 (45.3) 125 (46.8) 9 (31.0) 0.15 b
  ≥ 35 and < 36.0 (°C), n (%) 86 (29.1) 77 (28.8) 9 (31.0) 0.86 b
  < 35.0 (°C), n (%) 76 (25.7) 65 (25.7) 11 (37.9) 0.17 b
Duration of hypothermia (min), mean ± SD 91.1 ± 83.4 87.4 ± 82.5 124.4 ± 83.0 < 0.01* c
The incidence of hypothermia, n (%) 243 (82.1) 215 (80.5) 28 (96.6) 0.04* b
Intraoperative blood loss (ml), mean ± SD 4.4 ± 4.0 4.2 ± 3.8 5.7 ± 5.5 0.08 c
Intraoperative transfusion (ml), mean ± SD 6.7 ± 12.0 6.3 ± 11.2 10.5 ± 19.2 0.99 c
Intraoperative total fluid infusion (ml/kg/h), mean ± SD 1.3 ± 0.6 1.3 ± 0.6 1.2 ± 0.5 0.38 c
Intraoperative urine output (ml/kg/h), mean ± SD 1.9 ± 1.5 2.0 ± 1.5 1.7 ± 1.2 0.15 c
Postoperative hemoglobin (g/dl), mean ± SD 127.3 ± 36.1 127.7 ± 36.0 123.7 ± 37.1 0.40 c
Postoperative ventilation (hours), median (IQR) 35.1 (16.4, 68.7) 33.9 (16.4, 67.9) 42.3 (17.3, 81.9) 0.35 c
 Ventilation dependence> 48 h, n (%) 107 (36.1) 93 (34.8) 14 (48.3) 0.22 b
Postoperative AKI, n (%) 27 (9.1) 25 (9.4) 2 (6.9) 0.92 a
Postoperative hospital length-of-stay (days), mean ± SD 22.2 ± 17.6 19.9 ± 14.7 44.1 ± 32.1 < 0.01* c
Mortality, n (%) 33 (11.1) 29 (10.9) 4 (13.8) 0.63 a
  1. Note: n Sample, SD Standard deviation, IQR Interquartile Range, AKI Acute kidney injury, *P < 0.05
  2. adenotes a p value based on a fisher exact test
  3. bdenotes a p value based on a Pearson’ chi-squared test
  4. cdenotes a p value based on a Mann-Whitney U-test