Table 1.
Clinical characteristics of patients before CABG.
| Clinical characteristics | Pathological lesions (n=23) | Technical lesions (n=7) | P |
|---|---|---|---|
| Age (mean/SD) | 63.9/9.81 | 58.3/9.45 | NS |
| Sex | |||
| - Male, n (%) | 11 (48) | 5 (71) | NS |
| - Female, n (%) | 12 (52) | 2 (29) | NS |
| Angina | |||
| - Stable, n (%) | 2 | 2 | NS |
| - Unstable, n (%) | 11 | 6 | NS |
| Myocardial infarction, n (%) | 8 | 1 | NS |
| Ejection fraction, mean/SD | 47.6/7.37 | 52.1/6.36 | NS |
| Diabetes, n (%) | 14 (61) | 2 (29) | NS |
| Current smoking, n (%) | 10 (43) | 4 (57) | NS |
| Hypertension, n (%) | 14 (61) | 6 (86) | NS |
| Hypercholestrolaemia, n (%) | 5 (22%) | 3 (43) | NS |
| PVD, n (%) | 2 (9) | 0 | NS |
| CVD, n (%) | 3 (13) | 0 | NS |
| Creatinine >2 mg/dl, n (%) | 4 (17) | 0 | NS |
| Obesity, n (%) | 2 (9) | 0 | NS |
| Prior MI, n(%) | 4 (17) | 1 (14) | NS |
| Prior PCI, n(%) | 2 (9) | 1 (14) | NS |
| Prior CABG, n (%) | 1 (4) | 0 | NS |
| Extent of CAD | |||
| -Single vessel, n (%) | 1 (4) | 1 (14) | NS |
| - Double vessel, n (%) | 5 (22) | 2 (29) | NS |
| -Triple vessel, n (%) | 17 (74) | 4 (57) | NS |
| IABP (≤48 hours pre-op), n (%) | 1 (4) | 0 | NS |
NS=not significant, SD=standard deviation, MI=myocardial infarction, PVD=peripheral vascular disease, CVD=cerebrovascular disease, PCI=percutaneous coronary intervention, CABG=coronary artery bypass grafting, CAD=coronary artery disease, IABP=intra-aortic balloon pump.