Table 3.

Multivariate analysis associated with organ/space SSIs

Variables	β	OR	95 % CI	p
BMI ≥ 25 kg/m2	1.291	3.638	2.135–6.199	<0.001
Operative time ≥ 240 min	1.352	3.865	2.137–6.990	<0.001
IBL ≥ 75 ml	0.728	2.071	1.192–3.597	0.010
Perioperative transfusion	1.141	3.131	1.798–5.450	<0.001

β regression coefficients, BMI body mass index, IBL intraoperative blood loss