TABLE 5.

Independent Risk Factors for Incisional Surgical Site Infection

Risk Factor	Adjusted OR (95% CI)*	P
Diabetes	1.87 (1.06, 3.30)	0.031
Type of surgery
Gastroesophageal	Reference
Hepatopancreatobiliary	0.73 (0.36, 1.50)	0.35
Small bowel surgery	2.97 (1.30, 6.74)	0.011
Colorectal	2.13 (0.92, 4.96)	0.085
Laparoscopic approach	0.27 (0.14, 0.52)	<0.001
Increasing surgical complexity (per work RVU)	1.034 (1.005, 1.064)	0.018

^*Controlling for age, diabetes, ASA class, significant alcohol use, surgery status (elective vs. emergency), wound class, length of surgery, estimated blood loss, and perioperative normothermia.

OR indicates odds ratio; CI, confidence interval; RVU, relative value unit.