| Table 1 : Clinical characteristics of the post-CABG patients with unstable coronary syndromes | ||
| Presenting condition | ||
| Characteristic |
Myocardial infarction (MI) n = 27 |
Unstable angina n = 102 |
| Mean age, yr | 61.7 | 62.4 |
| No. (and %) male | 25 (93) | 83 (81) |
| No. (and %) with previous MI | 15 (56) | 61 (60) |
| Mean age of graft, yr | 6.9 ± 4.1 | 6.7 ± 4.0 |
| No. (and %) who smoked cigarettes (within the last 3 years) | 20 (74) | 60 (59) |
| Mean left ventricular function* | Grade 3 | Grade 2 |
| No. (and %) of patients with left main artery stenosis of > 50% | 3 (11) | 5 (5) |
| Mean no. of diseased native vessels with stenosis of >69% per patient | 2.4 | 2.3 |
| Mean no. of aortocoronary bypass grafts per patient | 2.8 | 2.9 |
| Mean age of aortocoronary grafts, yr | 8.9 | 6.6 |
| Mean no. of diseased grafts with stenosis of >69% per patient | 1.4 | 1.0 |
| No. (and %) of patients with internal mammary artery | 7 (26) | 32 (31) |
| No. with internal mammary stenosis >69% | 0 | 6 |
| *Grade 1 = ejection fraction (EF)>60%; grade 2 = EF 40B60%; grade 3 = EF 20B40%; grade 4 = EF<20%. | ||