Table 2.
Preoperative characteristics.
| Variable | Value |
|---|---|
| Number of procedures | 3719 |
| Demographics | |
| Patient age (years, %) | |
| <60 | 32.4 |
| 60–69 | 31.3 |
| 70+ | 36.4 |
| Female gender (%) | 33.4 |
| Body mass index (kg/m2) | |
| <31 | 63.9 |
| 31–36 | 23.9 |
| 37+ | 12.3 |
| Comorbid disease | |
| Diabetes, % yes | 33.9 |
| Peripheral vascular disease, % yes | 12.7 |
| COPD, % yes | |
| No | 69.4 |
| Mild | 17.1 |
| Moderate | 6.4 |
| Severe | 7.2 |
| Dialysis or creatinine ≥2, % yes | 5.6 |
| Cardiac history | |
| New York Heart Association III–IV (%) | 18.9 |
| Prior myocardial infarction (%) | |
| No | 65.4 |
| ≤6 hours | 1.0 |
| >6 hours but <24 hours | 1.8 |
| 1–7 days | 11.5 |
| 8–21 days | 3.7 |
| >21 days | 16.7 |
| Cardiac anatomy and function (among patients having a CABG procedure | |
| Left main stenosis >50% (% yes) | 30.2 |
| Diseased vessels (no.) | |
| 0 | 1.1 |
| 1 | 7.5 |
| 2 | 20.4 |
| 3 | 71.0 |
| Priority (%) | |
| Elective | 52.11 |
| Urgent | 43.0 |
| Emergent/salvage | 4.9 |