Table 1.
Baseline Clinical and Lesion Features of the Total Population
| Clinical features | |
| Age (y) | 66.2 ± 11.3 |
| Male | 4,228 (76.4) |
| Hypertension | 3,657 (66.0) |
| Hyperlipidemia | 2,736 (49.4) |
| Diabetes mellitus | 1,834 (33.1) |
| Current smoker | 1,408 (25.4) |
| Chronic kidney disease | 718 (13.0) |
| Previous PCI | 1,244 (22.5) |
| Previous CABG | 157 (2.8) |
| Previous MI | 944 (17.0) |
| Left ventricular ejection fraction, % | 57.7 ± 9.5 |
| Clinical diagnosis at presentation | |
| ST-segment elevation MI | 803 (14.5) |
| Non-ST-segment elevation MI | 1,163 (21.0) |
| Unstable angina | 1,265 (22.8) |
| Stable angina | 1,758 (31.8) |
| Other | 548 (9.9) |
| Lesion features | |
| Location of bifurcation | |
| Left main | 1,647 (29.7) |
| LAD/Dg | 2,466 (44.5) |
| LCX/OM | 859 (15.5) |
| RCA | 343 (6.2) |
| Other | 222 (4.0) |
| Severe calcification | 966 (17.4) |
| Diffuse disease | 2045 (36.9) |
| Medina classification | |
| 0,0,1 | 231 (4.2) |
| 0,1,0 | 751 (13.6) |
| 0,1,1 | 429 (7.7) |
| 1,0,0 | 544 (9.8) |
| 1,0,1 | 436 (7.9) |
| 1,1,0 | 1,366 (24.7) |
| 1,1,1 | 1,780 (32.1) |
| True bifurcation | 3,582 (64.7) |
Values are mean ± SD or n (%).
CABG = coronary artery bypass surgery; Dg = diagonal branch; LAD = left anterior descending coronary artery; LCX = left circumflex coronary artery; MI = myocardial infarction; OM = obtuse marginal; PCI = percutaneous coronary intervention; RCA = right coronary artery.