Table 1 Demographic, clinical, and angiographic characteristics of patients with and without in-stent restenosis (ISR).
Total (n=474) | non-ISR (n=250 ) | ISR (n=224) | P value | |
|---|---|---|---|---|
Male, n (%) | 283 (59.7%) | 127 (50.8%) | 156 (69.6%) | <0.001 |
Age (years) | 60.4 ± 8.6 | 60.8 ± 8.4 | 59.9 ± 8.8 | 0.254 |
Hypertension, n (%) | 337 (71.1%) | 173 (69.2%) | 164 (73.2%) | 0.336 |
Diabetes mellitus, n (%) | 134 (28.3%) | 49(19.6%) | 85(37.9%) | <0.001 |
Smoke, n (%) | 259 (54.6%) | 134 (53.6%) | 125(58.9%) | 0.630 |
LVEF (%) | 60.9 ± 4.8 | 61.2 ± 4.7 | 60.5 ± 4.9 | 0.132 |
Target coronary artery, n (%) | 0.253 | |||
LAD | 273 (57.6%) | 152 (60.8%) | 121 (54.0%) | |
LCX | 81 (17.1%) | 42 (16.8%) | 39 (17.4%) | |
RCA | 120 (25.3%) | 56 (22.4%) | 64 (28.6%) | |
Number of narrowed coronary arteries, n (%) | <0.001 | |||
1 | 139 (29.3%) | 92 (36.8%) | 47 (21.0%) | |
2 | 160 (33.8%) | 89 (35.6%) | 71 (31.7%) | |
3 | 175 (36.9%) | 69 (27.6%) | 106 (47.3%) | |
Time between the two coronary angiographies (months) | 43 (28, 60) | 41 (26, 58) | 46 (30, 67) | 0.015 |
Total stent length (mm) | 28 (18, 38) | 24 (18, 36) | 31 (20, 48) | 0.003 |
Minimal stent diameter (mm) | 3.00 (2.75, 3.50) | 3.00 (2.75, 3.50) | 3.00 (2.63, 3.31) | 0.003 |
ACEI/ARB, n (%) | 276 (58.2%) | 143 (55.6%) | 137 (61.2%) | 0.220 |
Beta blockers, n (%) | 321 (67.7%) | 168 (66.0%) | 156 (69.6%) | 0.397 |
