Table 1.
Preoperative patient characteristics
| Pre-op patient characteristics (n = 100) | |
|---|---|
| Mean age (in years) | 59.33 ± 9.95 (range 37–82) |
| Male/female | 72 (72%)/28 (28%) |
| Hypertension | 76 (76%) |
| Diabetes mellitus | 56 (56%) |
| Canadian Cardiovascular Society (CCS) grading | |
| Grade I | 0 |
| Grade II | 8 |
| Grade III | 71 |
| Grade IV | 21 |
| Smokers | 18 (18%) |
| Chronic kidney disease | 4 (4%) |
| Thyroid disorder | 13 (13%) |
| Mean pre-op ejection fraction (in %) | 51.08 ± 9.75 |
| COPD | 14 (14%) |
| Cardiogenic shock (recovered) | 6 (6%) |
| Prior PTCA | 8 (8%) |
| Previous MI | 24 (24%) |
| Unstable angina | 7 (7%) |
| LMCA disease | 9 (9%) |
| SVD | 27 (27%) |
| DVD | 31 (31%) |
| TVD | 42 (42%) |
| STS risk scoring (risk of mortality) (mean) | 1.3 ± 0.7 |
COPD, chronic obstructive pulmonary disease; PTCA, percutaneous transluminal coronary angioplasty; LMCA, left main coronary artery; SVD, single vessel disease; DVD, double vessel disease; TVD, triple vessel disease; MI, myocardial infarction; STS, Society of Thoracic Surgeons