Table 1: Patient demographic and clinical characteristics.
BMI: Body mass index *Simple surgery defined as: laparotomy without lymph node dissection or tumor debulking
**Extensive surgery was defined as: laparotomy with lymph node dissection or tumor debulking
^Statistical significance defined as p<0.05
^^GI surgery defined as: any entry into the small or large bowel, including enterotomy, resection, re-anastomosis or diversion
XCDC Surgical Wound Classification.
Pre-Intervention (N=155) Post-Intervention (N=37) p^
Age at surgery
Mean (range)		 58.0 (27-82) 54.9 (30-79) 0.742
N (%) N (%)
BMI (kg/m2)
25.0 – 29.9 71 (45.8) 9 (24.3) 0.005
30.0 – 34.9 45 (29.0) 15 (40.5)
35.0 – 39.9 30 (19.3) 7 (18.9)
40.0 – 44.9 5 (3.2) 2 (5.4)
>45.0 6 (3.8) 4 (10.8)
Mean (range) 31.6 (25.0 – 56.9) 34.8 (25.0 – 58.0)
Std. Deviation 6.084 7.082
Race
African American 142 (91.6) 33 (89.2) 0.420
Caucasian 10 (6.5) 3 (8.1)
Asian 3 (1.9) 1 (2.7)
Diabetic 29 (18.7) 9 (24.3) 0.441
Non-Diabetic 126 (81.3) 28 (75.7)
Type of surgery
Simple* 62 (40.0) 14 (37.8) 0.235
Extensive** 69 (44.5) 13 (35.1)
Simple or extensive with GI surgery^^ 24 (15.5) 10 (27.1)
Wound classificationX
Clean 18 (11.6) 8 (21.6) 0.129
Clean contaminated 131 (84.5) 26 (70.3)
Contaminated 6 (3.9) 3 (8.1)
Pathology
Benign 119 (76.8) 30 (81.0) 0.572
Malignant 36 (23.2) 7 (19.0)