Table 1.

Comparison of continuous variables in patients with and without surgical site infection (SSI)

Variables	Patient without SSI (mean ± SD) (n = 659)	Patient with SSI (mean ± SD) (n = 17)	P
Age (years)	44.4 ± 13.7	46.9 ± 14.8	0.479
Body mass index	25.2 ± 3.4	27.6 ± 2.5	0.003*
Preoperative stay (d)	5.6 ± 4.6	5.7 ± 6.0	0.928
Hospital stay (d)	15.2 ± 8.5	25.8 ± 14.6	<0.001*
Intraoperative blood loss (mL)	229.3 ± 530	586.3 ± 1047	0.016*
Surgical duration (min)	123.5 ± 66.5	174.1 ± 178.2	0.004*

^* Statistically significant.