Skip to main content

Table 3 Comparison of postoperative characteristics of patients with and without surgical site infections

From: Surgical site infection after delayed sternal closure in neonates with congenital heart disease: retrospective case-control study

   All (n = 188) Surgical site infection χ2 P value
No (n = 141) Yes (n = 47)
DSC once 145 135 (93.1%) 10 (6.9%) 110.810 0.000
More than once 43 6 (14.0%) 37 (86.0%)
Duration of DSC ≤24 h 89 86 (96.6%) 3 (3.4%) 93.763 0.000
24 h < DSC ≤48 h 34 31 (91.2%) 3 (8.8%)
48 h < DSC ≤72 h 25 16 (64.0%) 9 (36.0%)
72 h < DSC ≤96 h 20 5 (25%) 15 (75%)
96 h < DSC ≤120 h 11 2 (18.2%) 9 (81.8%)
>120 h 9 1 (11.1%) 8 (88.9%)
ECMO no 153 137 (89.5%) 16 (10.5) 92.695 0.000
yes 35 4 (11.4%) 31 (88.6%)
Duration of mechanical ventilation (h) ≤72 h 82 77 (93.9%) 5 (6.1%) 60.437 0.000
72 h < time ≤ 120 h 62 50 (80.6%) 12 (19.4%)
>120 h 44 14 (31.8) 30 (68.2%)
  1. ECMO extracorporeal membrane oxygenation, DSC delayed sternal closure, P < 0.05, Chi squared test