Descriptive variables—all patients.
| Factor | Mean (SD) | Minimum | Maximum |
| Patient variables | |||
| Age | 52.4 (19.0) | 18 | 94 |
| Gender, n (%) | |||
| Female | 96 (23.4) | - | - |
| Male | 314 (76.6) | - | - |
| Race, n (%) | |||
| White | 206 (50.5) | - | - |
| Black | 174 (42.7) | - | - |
| Other | 28 (6.9) | - | - |
| Body mass index | 28.2 (7.5) | 12.4 | 63 |
| CCI | 1.8 (2.0) | 0 | 9 |
| Clinic/ED variables | |||
| BAC | 61.5 (101.2) | 0 | 417 |
| ED O2 saturation | 96.0 (4.1) | 69 | 100 |
| ED Glasgow Coma Scale | 13.8 (3.1) | 3 | 15 |
| ISS | 17.8 (12.6) | 4 | 75 |
| TRISS | 0.9 (0.2) | 0.01 | 0.99 |
| Quantity of complication variables | |||
| Cardiac | 0.0 (0.2) | 0 | 2 |
| Deep vein thrombosis | 0.1 (0.3) | 0 | 2 |
| Genitourinary | 0.2 (0.6) | 0 | 5 |
| Nervous system | 0.2 (0.4) | 0 | 2 |
| Oropharynx | 0.1 (0.4) | 0 | 2 |
| Postoperative infection | 0.1 (0.4) | 0 | 3 |
| Respiratory | 0.2 (0.6) | 0 | 4 |
| Skin/wound | 0.1 (0.4) | 0 | 4 |
| Total complication categories affected | 1.2 (1.4) | 0 | 7 |
| Total individual complications | 1.4 (1.8) | 0 | 11 |
| Glucose and other outcome variables | |||
| HbA1C | 6.2 (1.6) | 4.6 | 12.6 |
| Highest glucose reading prior to surgery | 139.2 (56.4) | 63 | 671 |
| Highest glucose reading within 72 h postoperative | 163.1 (67.7) | 83 | 547 |
| If postoperative glucose was >200 mg/dL, how many times? | 0.8 (2.8) | 0 | 22 |
| Total hospital days | 22.9 (31.8) | 1 | 281 |
| Total ICU days | 6.7 (9.9) | 0 | 103 |
| Total ventilator days | 4.6 (13.3) | 0 | 117 |
| ASIA grade at most recent follow-up | 4.4 (1.1) | 1 | 5 |
| Best ASIA grade within 1 wk of injury postop | 4.0 (1.2) | 1 | 5 |
| Preoperative ASIA grade | 3.9 (1.2) | 1 | 5 |
Abbreviations: ASIA, American Spinal Injury Association Impairment Scale; BAC, blood alcohol concentration; CCI, Charlson Comorbidity Index; ED, emergency department; ICU, intensive care unit; ISS, Injury Severity Score; TRISS, Trauma Score and Injury Severity Score.
Note: Data presented as mean (SD) unless otherwise noted.