Table 1.
Demographics and clinical characteristics for full patient population
| Blood Glucose Recorded Intraop (N = 5014) n(%) | Blood Glucose Not Recorded Intraop (N = 87,737) n(%) | P-value | |
|---|---|---|---|
| Patient Demographics | |||
| Age | 66.0 [57.0 to 74.0] | 56.0 [42.0 to 68.0] | < 0.001 |
| WHO BMI Classification | < 0.001 | ||
| Underweight | 102 (2.0) | 1717 (2.0) | |
| Normal | 1056 (21.1) | 20,849 (23.8) | |
| Overweight | 1429 (28.5) | 26,636 (30.4) | |
| Obese | 2427 (48.4) | 38,535 (43.9) | |
| ASA Class 3 or 4 | 4449 (88.7) | 42,175 (48.1) | < 0.001 |
| Urgent/Emergent Case | 1874 (37.4) | 35,180 (40.1) | < 0.001 |
| Surgical Procedure Group | < 0.001 | ||
| General | 740 (14.8) | 19,585 (22.3) | |
| Endocrine | 410 (8.2) | 4776 (5.4) | |
| Hepatobiliary | 560 (11.2) | 25,816 (29.4) | |
| GI (Upper and Colorectal) | 1640 (32.7) | 28,374 (32.3) | |
| Vascular | 1664 (33.2) | 9186 (10.5) | |
| Pre-operative Clinical Characteristics | |||
| Pre-op Sepsis | < 0.001 | ||
| None | 4560 (91.0) | 81,197 (92.6) | |
| Sepsis | 232 (4.6) | 4944 (5.6) | |
| Severe Sepsis | 222 (4.4) | 1596 (1.8) | |
| Diabetes | 3231 (64.4) | 14,976 (17.1) | < 0.001 |
| Sleep Apnea | 1061 (21.2) | 10,576 (12.1) | < 0.001 |
| Cancer | 212 (4.2) | 1199 (1.4) | < 0.001 |
| CHF | 112 (2.2) | 706 (0.8) | < 0.001 |
| COPD | 790 (15.8) | 8001 (9.1) | < 0.001 |
| CAD | 1722 (34.3) | 13,725 (15.6) | < 0.001 |
| DVT/PEa | 542 (11.3) | 4656 (5.8) | < 0.001 |
| ETOH > 2 drinks/day in the 2 weeks prior to admission | 145 (2.9) | 2727 (3.1) | 0.390 |
| Tobacco use within 1 year - cigarette | 1367 (27.3) | 23,091 (26.3) | 0.140 |
| Hypertension | 3831 (76.4) | 41,833 (47.7) | < 0.001 |
| Pneumonia | 80 (1.6) | 493 (0.6) | < 0.001 |
| HbA1ca | 7.2 [6.3 to 8.7] | 6.1 [5.6 to 7.2] | < 0.001 |
| Creatininea | 0.9 [0.7 to 1.3] | 0.8 [0.7 to 1.0] | < 0.001 |
| Ascites | 98 (2.0) | 736 (0.8) | < 0.001 |
| 10% Loss of Body Weight 6 Months Before Surgery | 203 (4.1) | 1409 (1.6) | < 0.001 |
| Steroids/Immunosuppressive Meds for chronic condition | 304 (6.1) | 2973 (3.4) | < 0.001 |
| Currently Requires or is on Dialysis | 223 (4.5) | 1170 (1.3) | < 0.001 |
| Open Wound With or Without Infection | 657 (13.1) | 3637 (4.2) | < 0.001 |
| Peripheral Vascular Disease | 1169 (23.3) | 7119 (8.1) | < 0.001 |
| Ventilator Dependent | 96 (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 Mortalitya | 1647 (32.9) | 10,341 (11.8) | < 0.001 |
| Infectious Complications | 909 (18.1) | 5874 (6.7) | < 0.001 |
Data are presented as frequency (%) or median [25th percentile to 75th percentile], as appropriate
aPercentages are given as percent of the non-missing number of values in that group