Skip to main content

Table 2 Comparison of intraoperative 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)
Location of chest opening CICU 34 27 (79.4%) 7 (20.6%) 0.431 0.512
Operating room 154 114 (74.0%) 40 (26.0%)
Foreign material placed No 131 124 (94.7%) 7 (5.3%) 89.036 0.000
Yes 57 17 (29.8%) 40 (70.2%)
Duration of aortic cross-clamp ≤45 min 41 31 (75.6%) 10 (24.4%) 0.01 0.919
>45 min 147 110 (74.8%) 37 (25.2%)
≤55 min 132 121 (91.7%) 11 (8.3%) 65.651 0.000
>55 min 56 20 (35.7%) 36 (64.3%)
≤60 min 154 138 (89.6%) 16 (10.4%) 96.944 0.000
>60 min 34 3 (8.8%) 31 (91.2%)
  1. CICU cardiac intensive care unit, P < 0.05, Chi squared test