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Table 1 Demographics and characteristics of eligible neonates

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

  Patients, No. (%)  
  Unplanned Reoperation p value
Variables Total (N = 296) No (N = 267) Yes (N = 29)
Gender, male, n (%) 177 (59.8) 161 (60.3) 16 (55.2) 0.74 a
Birth weight (kg), median (IQR) 2.9 (2.2, 3.3) 2.9 (2.2, 3.3) 2.8 (2.0, 3.1) 0.30 b
 Very low birth weight (< 1.5 kg) 24 (8.1) 20 (7.5) 4 (13.8) 0.27 c
Weight at surgery (kg), median (IQR) 2.9 (2.2, 3.3) 2.9 (2.2, 3.3) 2.9 (2.4, 3.2) 0.85 b
Gestational age (days), median (IQR) 266.0 (245.0, 274.0) 266.0 (245.0, 274.0) 258.0 (244.0, 274.0) 0.49 b
 Gestational weeks (< 37), n (%) 127 (10.0) 112 (8.2) 15 (17.2) 0.42 a
 Gestational weeks (37 ≥), n (%) 169 (90.0) 155 (91.8) 14 (82.8)  
Age at the surgery (days), median (IQR) 6.0 (4.0, 12.0) 6.0 (4.0, 11.0) 6.0 (4.0, 16.0) 0.25 b
ASA     0.91 c
 I 1 (0.3) 1 (0.4) 0 (0.0)  
 II 83 (28.0) 76 (28.5) 7 (24.1)  
 III 191 (64.5) 171 (64.0) 20 (69.0)  
 IV 21 (7.1) 18 (7.1) 2 (6.9)  
Preoperative hemoglobin (g/dl), mean ± SD 147.2 ± 45.3 147.5 ± 45.8 144.0 ± 41.2 0.90 b
Preoperative blood transfusion, n (%) 46 (15.5) 38 (14.2) 8 (27.6) 0.11 a
  1. Note: n Sample, SD Standard deviation, IQR Interquartile Range
  2. adenotes a p value based on a Pearson’ chi-squared test
  3. bdenotes a p value based on a Mann-Whitney U-test
  4. cdenotes a p value based on a fisher exact test