Baseline characteristics of study population
| Variable | Data |
|---|---|
| Mean age ± SD, y | 68 ± 9 |
| ≥75 y, n (%) | 190 (78) |
| >75 y, n (%) | 53 (22) |
| Male gender, n (%) | 181 (74) |
| Symptomatic stenosis, n (%) | 134 (55) |
| Hypertension, n (%) | 184 (76) |
| Hyperlipidemia, n (%) | 139 (57) |
| Current tobacco use, n (%) | 79 (33) |
| Diabetes, n (%) | 67 (28) |
| Coronary artery disease, n (%) | 54 (22) |
| Degree of stenosis, mean ± SD, % | 88 ± 8 |
| Contralateral ICA occlusion, n (%) | 42 (17) |
Note:—ICA indicates internal carotid artery.