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Table 1b. Study Population Clinical and Demographic Characteristics History of DM (N = 3,231) n(%) No History of DM (N = 1,783) n(%) P-value 66.0 [57.0 to 74.0] 64.0 [55.0 to 73.0] <0.001 <0.001 Underweight Normal Overweight Obese 42 (1.3) 511 (15.8) 873 (27.0) 1,805 (55.9) 54 (3.0) 546 (30.6) 555 (31.1) 628 (35.2) Female Male 1,519 (47.0) 1,712 (53.0) 2,918 (90.3) 786 (44.1) 997 (55.9) 1,531 (85.9) 397 (12.3) 769 (23.8) 2,065 (63.9) 1,166 (36.1) 348 (19.5) 360 (20.2) 1,075 (60.3) 708 (39.7) 584 (18.1) 243 (7.5) 402 (12.4) 927 (28.7) 1,075 (33.3) 156 (8.8) 167 (9.4) 158 (8.9) 713 (40.0) 589 (33.0) 2,970 (91.9) 148 (4.6) 113 (3.5) 1,590 (89.2) 84 (4.7) 109 (6.1) 2,444 (75.6) 454 (14.1) 1,509 (84.6) 186 (10.4) 333 (10.3) 787 (24.4) 89 (2.8) 79 (2.5) 541 (16.7) 1,270 (39.3) 88 (4.9) 274 (15.4) 123 (6.9) 33 (1.9) 249 (14.0) 452 (25.4) Patient Demographics Age WHO BMI Classification Gender 0.046 ASA Class 3 or 4 Case Status Elective Urgent Emergent Urgent/Emergent Case Surgical Procedure Group General Endocrine Hepatobiliary GI (Upper and Colorectal) Vascular Pre-operative Clinical Characteristics Pre-op Sepsis None Sepsis Severe Sepsis Sleep Apnea No diagnosis or suspicion of sleep apnea Diagnosis or documented suspicion of sleep apnea w/o regular use of CPAP Diagnosis of sleep apnea and regular use of CPAP Sleep Apnea Cancer CHF COPD CAD <0.001 <0.001 0.011 <0.001 <0.001 <0.001 <0.001 <0.001 0.173 0.010 <0.001 DVT/PE* ETOH > 2 drinks/day in the 2 weeks prior to admission Tobacco use within 1 year - cigarette Hypertension Pneumonia Hemoglobin* Creatinine* Ascites 10% Loss of Body Weight 6 Months Before Surgery Steroids/Immunosuppressive Meds for chronic condition Currently Requires or is on Dialysis Open Wound With or Without Infection Peripheral Vascular Disease Ventilator Dependent Intraoperative Characteristics Surgical Time (Minutes) Blood Glucose > 180* Median Maximum Blood Glucose (25th – 75th percentile) Insulin Given Outcomes 30 Day Morbidity and Mortality* Infectious Complications 346 (11.2) 58 (1.8) 788 (24.4) 2,726 (84.4) 44 (1.4) 7.3 [6.4 to 8.5] 1.0 [0.8 to 1.3] 40 (1.2) 97 (3.0) 188 (5.8) 196 (11.3) 87 (4.9) 579 (32.5) 1,105 (62.0) 36 (2.0) 6.3 [5.6 to 11.7] 0.9 [0.7 to 1.1] 58 (3.3) 106 (6.0) 116 (6.5) 0.895 <0.001 <0.001 <0.001 0.075 0.001 <0.001 <0.001 <0.001 <0.001 178 (5.5) 521 (16.1) 860 (26.6) 41 (1.3) 45 (2.5) 136 (7.6) 309 (17.3) 55 (3.1) <0.001 <0.001 <0.001 <0.001 138.0 [90.0 to 218.0] 1,080 (33.4) 156.0 [123.0 to 196.0] 824 (25.5) 204.0 [127.0 to 311.0] 334 (18.7) 139.0 [114.0 to 169.0] 203 (11.4) <0.001 <0.001 <0.001 <0.001 931 (28.9) 522 (16.2) 716 (40.3) 387 (21.7) <0.001 <0.001 *Percentages are given as percent of the non-missing number of values in that group Data are presented as frequency (%) or median [25th percentile to 75th percentile], as appropriate