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Table 1 Demographics and clinical characteristics for full patient population

From: Association of intraoperative hyperglycemia and postoperative outcomes in patients undergoing non-cardiac surgery: a multicenter retrospective study

 Blood Glucose Recorded Intraop (N = 5014) n(%)Blood Glucose Not Recorded Intraop (N = 87,737) n(%)P-value
Patient Demographics
 Age66.0 [57.0 to 74.0]56.0 [42.0 to 68.0]< 0.001
WHO BMI Classification  < 0.001
  Underweight102 (2.0)1717 (2.0) 
  Normal1056 (21.1)20,849 (23.8) 
  Overweight1429 (28.5)26,636 (30.4) 
  Obese2427 (48.4)38,535 (43.9) 
 ASA Class 3 or 44449 (88.7)42,175 (48.1)< 0.001
 Urgent/Emergent Case1874 (37.4)35,180 (40.1)< 0.001
Surgical Procedure Group  < 0.001
  General740 (14.8)19,585 (22.3) 
  Endocrine410 (8.2)4776 (5.4) 
  Hepatobiliary560 (11.2)25,816 (29.4) 
  GI (Upper and Colorectal)1640 (32.7)28,374 (32.3) 
  Vascular1664 (33.2)9186 (10.5) 
Pre-operative Clinical Characteristics
Pre-op Sepsis  < 0.001
  None4560 (91.0)81,197 (92.6) 
  Sepsis232 (4.6)4944 (5.6) 
  Severe Sepsis222 (4.4)1596 (1.8) 
 Diabetes3231 (64.4)14,976 (17.1)< 0.001
 Sleep Apnea1061 (21.2)10,576 (12.1)< 0.001
 Cancer212 (4.2)1199 (1.4)< 0.001
 CHF112 (2.2)706 (0.8)< 0.001
 COPD790 (15.8)8001 (9.1)< 0.001
 CAD1722 (34.3)13,725 (15.6)< 0.001
 DVT/PEa542 (11.3)4656 (5.8)< 0.001
 ETOH > 2 drinks/day in the 2 weeks prior to admission145 (2.9)2727 (3.1)0.390
 Tobacco use within 1 year - cigarette1367 (27.3)23,091 (26.3)0.140
 Hypertension3831 (76.4)41,833 (47.7)< 0.001
 Pneumonia80 (1.6)493 (0.6)< 0.001
 HbA1ca7.2 [6.3 to 8.7]6.1 [5.6 to 7.2]< 0.001
 Creatininea0.9 [0.7 to 1.3]0.8 [0.7 to 1.0]< 0.001
 Ascites98 (2.0)736 (0.8)< 0.001
 10% Loss of Body Weight 6 Months Before Surgery203 (4.1)1409 (1.6)< 0.001
 Steroids/Immunosuppressive Meds for chronic condition304 (6.1)2973 (3.4)< 0.001
 Currently Requires or is on Dialysis223 (4.5)1170 (1.3)< 0.001
 Open Wound With or Without Infection657 (13.1)3637 (4.2)< 0.001
 Peripheral Vascular Disease1169 (23.3)7119 (8.1)< 0.001
 Ventilator Dependent96 (1.9)374 (0.4)< 0.001
Intraoperative Characteristics
 Surgical Time (Minutes)157.0 [98.0 to 251.0]72.0 [45.0 to 116.0]< 0.001
Outcomes
 30 Day Morbidity and Mortalitya1647 (32.9)10,341 (11.8)< 0.001
 Infectious Complications909 (18.1)5874 (6.7)< 0.001
  1. Data are presented as frequency (%) or median [25th percentile to 75th percentile], as appropriate
  2. aPercentages are given as percent of the non-missing number of values in that group