Table 2. Angiographic and PCI-related characteristics (n = 1,604).
| Homocysteine level | < 12.0 µmol/L | ≥ 12.0 µmol/L | P value |
|---|---|---|---|
| (n = 1082) | (n = 522) | ||
| Complex lesion (type B2 or C*), n (%) | 832 (76.9) | 421 (80.7) | 0.094 |
| Target vessel site | 0.924 | ||
| Left main, n (%) | 24 (2.2) | 14 (2.7) | |
| LAD, n (%) | 442 (40.9) | 221 (42.3) | |
| LCx, n (%) | 207 (19.1) | 94 (18.0) | |
| RCA, n (%) | 402 (37.2) | 189 (36.2) | |
| Graft, n (%) | 7 (0.6) | 4 (0.8) | |
| Ostial lesion, n (%) | 78 (7.2) | 39 (7.5) | 0.838 |
| Bifurcation, n (%) | 76 (7.0) | 31 (5.9) | 0.456 |
| Lesion length, mean ± SD (mm) | 20.2 ± 10 | 20.5 ± 11 | 0.629 |
| Stent size, mean ± SD (mm) | 3.3 ± 0.7 | 3.3 ± 0.6 | 0.470 |
| Calcified, n (%) | 126 (11.6) | 89 (17.0) | 0.004 |
| Thrombus containing, n (%) | 163 (15.1) | 58 (11.1) | 0.037 |
| Number of stents per lesion | 1.10 | 1.12 | 0.178 |
| Pre-procedure target lesion | |||
| % diameter stenosis, mean ± SD | 82.5 ± 13 | 82.9 ± 13 | 0.547 |
| MLD (mm), mean ± SD | 0.58 ± 0.5 | 0.57 ± 0.5 | 0.627 |
| RVD (mm), mean ± SD | 3.32 ± 0.6 | 3.33 ± 0.6 | 0.884 |
| Post-procedure target lesion | |||
| % diameter stenosis, mean ± SD | 6.4 ± 6 | 6.6 ± 6 | 0.523 |
| MLD (mm), mean ± SD | 3.36 ± 0.5 | 3.10 ± 0.5 | 0.479 |
| RVD (mm), mean ± SD | 3.32 ± 0.6 | 3.36 ± 0.6 | 0.894 |
| Acute gain (mm), mean ± SD | 2.52 ± 0.6 | 2.53 ± 0.6 | 0.812 |
LAD: left anterior descending artery; LCx: left circumflex artery; LIMA: left internal mammary artery; OM: obtuse margin; MLD: minimal luminal diameter; PCI percutaneous coronary intervention; PDA: posterior descending artery; PL: posterolateral artery; RCA: right coronary artery; RVD: reference vessel diameter; SD: standard deviation.
*
A complex lesion was defined as a lesion of type B2 and C according to the classification of the American College of Cardiology and the American Heart Association.