Table 1.
Basal demographic, clinical and angiographic features in coronary artery patients undergoing BMS implantation with and without ISR
| Non-ISR group (n = 243) | ISR group (n = 225) | P | |
|---|---|---|---|
| Male, n (%) | 158 (65) | 171 (76) | 0.15 |
| Age (years, mean ± SD ) | 60.7 ± 10.0 | 60 ± 10.2 | 0.47 |
| Hypertension, n (%) | 152 (62) | 122 (54) | 0.06 |
| Diabetes Mellitus, n (%) | 73 (30) | 69 (30) | 0.88 |
| Hyperlipidemia, n (%) | 150 (61) | 149 (66) | 0.31 |
| Smoke, n (%) | 94 (38) | 104 (44) | 0.09 |
| Left Ventricle Ejection fraction (%) | 56.3 ± 4.5 | 56.0 ± 5.2 | 0.46 |
| Target coronary artery, n (%) | 0.43 | ||
| -Left anterior descending | 115 (47) | 110 (49) | |
| -Left circumflex | 76 (31) | 50 (22) | |
| -Right | 52 (22) | 65 (29) | |
| Reason for stent implantation, n (%) | 0.14 | ||
| -Unstable angina pectoris | 174 (72) | 147 (65) | |
| -Stable angina pectoris | 69 (28) | 78 (35) | |
| Number of coronary arteries narrowed, n (%) | 0.08 | ||
| 1 | 49 (20) | 58 (26) | |
| 2 | 165 (68) | 148 (66) | |
| 3 | 29 (12) | 19 (8) | |
| Stent length (mm, mean ± SD) | 15.8 ± 4.4 | 15.6 ± 4.1 | 0.60 |
| Stent diameter (mm, mean ± SD) | 2.9 ± 0.35 | 2.8 ± 0.35 | 0.01 |
| Time between the 2 coronary angiographic studies (months, mean ± SD) | 15.9 ± 8.5 | 13.1 ± 6.8 | <0,001 |
| Angiotensin-converting enzyme inhibitors, n (%) | 195 (80) | 192 (85) | 0.14 |
| Angiotensin receptor blockers, n (%) | 15 (6) | 10 (4) | 0.40 |
| Beta blockers, n (%) | 202 (83) | 195 (86) | 0.28 |
| Statins, n (%) | 209 (86) | 190 (84) | 0.63 |
ISR in-stent restenosis, BMS bare-metal stenting, mm millimeter, SD standart deviation. Bold data displays statisticially significant difference (p<0.05)