Baseline characteristics of the study population
| Characteristic | Total (n=45) | Ipsilateral ischemic events | p Value | |
| Yes (n=13) | No (n=32) | |||
| Mean age, years | 60.7±10.5 | 60.1±8.8 | 61.0±11.3 | 0.787 |
| Sex, M/F | 29/16 | 8/5 | 21/11 | 0.795 |
| Overweight, n *(%) | 26 (57.7) | 8 (61.5) | 16 (50) | 0.482 |
| Hypertension, n (%) | 28 (62.2) | 7 (53.8) | 17 (53.1) | 0.965 |
| Dyslipidemia, n (%) | 22 (48.9) | 8 (61.5) | 21 (65.6) | 0.795 |
| Diabetes, n (%) | 25 (55.6) | 7 (53.8) | 16 (50) | 0.815 |
| Atrial fibrillation, n (%) | 2 (4.4) | 9 (69.2) | 14 (43.8) | 0.121 |
| Coronary artery disease, n (%) | 11 (24.4) | 9 (69.2) | 8 (25) | 0.006 |
| Ever smoker, n (%) | 20 (44.4) | 8 (61.5) | 15 (46.9) | 0.372 |
| Warfarin, n (%) | 1 (2.2) | 9 (69.2) | 17 (53.1) | 0.321 |
| Statins, n (%) | 29 (64.4) | 8 (61.5) | 17 (53.1) | 0.607 |
| Aspirin, n (%) | 30 (66.7) | 7 (53.8) | 15 (46.9) | 0.672 |
| Beta-blockers, n (%) | 21 (46.7) | 10 (76.9) | 14 (43.8) | 0.043 |
| Degree of carotid stenosis, n (%) | 0.043 | |||
| 70%–89% | 22 (48.9) | 3 (23.1) | 18 (56.3) | |
| 90%–99% | 23 (51.1) | 10 (76.9) | 14 (43.8) | |
| Mean CVR, % | 29.5±27.3 | 10.1±22.6 | 37.5±25.2 | 0.001 |
| CVR category | 0.019 | |||
| CVR≥10%, n (%) | 32 (71.1) | 6 (46.2) | 26 (81.3) | |
| CVR<10%, n (%) | 13 (28.9) | 7 (53.8) | 6 (18.7) | |
Values are expressed as number (percentage) or mean±SD. The percentage was a calculation of the number of occurrence events divided by total number.
CVR, cerebrovascular reserve.