All Patients Diabetics Non-Diabetics P Value # of Patients 259 41 218 N/A Mean age (years) 55.1 63.2 53.5 <0.001 Gender (% female) 71 54 75 0.008 BMI (mean) 30.1 33.7 29.4 0.003 Extent of surgical resection 80 90 78 0.089 (% GTR) Pre-operative KPS (mean) 76.7 75.4 76.9 0.417 Pre-operative blood glucose (mean) 116.5 151.5 109.8 <0.001 Post-operative blood glucose (mean) 165.5 195.5 159.7 <0.001 Mean postoperative follow-up (months) 41.9 35.7 43.1 0.171

Table 1: Basic demographic and clinical features. Patients with type 2 DM were on average older, less female predominant, and had a larger BMI in addition to higher preoperative and postoperative blood glucose measurements.