Table 1.
Baseline characteristics of patients undergoing stenting for asymptomatic carotid artery stenosis
| Total (N = 276) |
No-statin (N = 87) |
Standard-dose (N = 139) | High-dose (N = 50) |
p-value | |
|---|---|---|---|---|---|
| Age, years | 70.0 (64.0–74.0) | 70.0 (63.5–74.0) | 70.0 (63.5–74.0) | 69.0 (64.0–72.0) | 0.417 |
| Sex, male | 231 (83.7%) | 78 (89.7%) | 114 (82.0%) | 39 (78.0%) | 0.154 |
| Vascular risk factors | |||||
| Hypertension | 184 (66.7%) | 52 (59.8%) | 96 (69.1%) | 36 (72.0%) | 0.239 |
| Diabetes mellitus | 117 (42.4%) | 33 (37.9%) | 62 (44.6%) | 25 (50.0%) | 0.363 |
| Hyperlipidemia | 93 (33.7%) | 12 (13.8%) | 63 (45.3%) | 18 (36.0%) | < 0.001 |
| Ischemic heart disease | 51 (18.5%) | 11 (12.6%) | 28 (20.1%) | 12 (24.0%) | 0.198 |
| Atrial fibrillation | 13 (4.7%) | 3 (3.4%) | 6 (4.3%) | 4 (8.0%) | 0.458 |
| Smoking | 117 (42.4%) | 35 (40.2%) | 63 (45.3%) | 19 (38.0%) | 0.591 |
| Total cholesterol | 166.0 (140.0–194.0) | 181.0 (151.0–199.0) | 164.0 (135.5–192.0) | 152.0 (135.0–178.0) | 0.008 |
| Triglyceride | 121.0 (88.0–165.5) | 120.5 (87.2–159.3) | 114.3 (83.9–155.5) | 145.5 (113.5–177.5) | 0.048 |
| High-density lipoprotein | 41.0 (35.0–49.0) | 42.0 (35.0–49.0) | 41.0 (35.0–49.2) | 40.0 (36.0–47.5) | 0.954 |
| Low-density lipoprotein | 91.0 (68.0–114.5) | 98.0 (81.0–118.9) | 88.5 (66.0–113.0) | 71.0 (57.5–113.2) | 0.048 |
| Pre-stenting antiplatelet | 276 (100%) | 87 (100%) | 139 (100%) | 50 (100%) | 1.000 |
| Degree of stenosis | 0.207 | ||||
| 60–69% | 12 (4.4%) | 4 (4.6%) | 7 (5.0%) | 1 (2.0%) | |
| 70–89% | 195 (70.6%) | 55 (63.2%) | 99 (71.2%) | 41 (82.0%) | |
| 90–99% | 69 (25.0%) | 28 (32.2%) | 33 (23.7%) | 8 (16.0%) | |
| Residual stenosis | 10.0 (0.0–29.2) | 5.0 (0.0–20.0) | 10.0 (0.0–30.0) | 20.0 (7.0–30.0) | 0.003 |
| Pre-stenting dilatation | 266 (96.4%) | 81 (93.1%) | 137 (98.6%) | 48 (96.0%) | 0.101 |
| Post-stenting dilatation | 106 (38.4%) | 27 (31.0%) | 58 (41.7%) | 21 (42.0%) | 0.232 |
Values are presented as percentage or median (interquartile range)