Clinical and radiographic characteristics of the 45 patients
| Age (years) | 64.9 |
| Male (n (%)) | 28 (62) |
| White (n (%)) | 23 (51) |
| Risk factors (n (%)) | |
| Hypertension | 39 (86.6) |
| Diabetes | 21 (46.6) |
| Hyperlipidemia | 31 (68.8) |
| Coronary artery disease | 9 (20) |
| Smoking | 15 (33) |
| Previous stroke | 19 (42.2) |
| Antithrombotics (n (%)) | |
| Aspirin/dipyridamole | 2 (4.4) |
| Aspirin | 14 (31) |
| Clopidogrel | 1 (2.2) |
| Aspirin and clopidogrel | 25 (55.5) |
| Warfarin | 1 (2.2) |
| None | 2 (4.4) |
| Presentation | |
| TIA (n (%)) | 13 (28.8) |
| Stroke (n (%)) (median (range) NIHSS score) | 32 (71) (0, 0–14) |
| mRS (median (range)) | 0 (0–5) |
| Days from qualifying event to procedure (mean (range)) | 27 (2–300) |
| Target vessel | |
| Internal carotid artery (n (mean stenosis (%))) | 4 (79) |
| Middle cerebral artery (n (mean stenosis (%))) | 22 (78) |
| Vertebral artery (n (mean stenosis (%))) | 14 (84) |
| Basilar artery (n (mean stenosis (%))) | 6 (75) |
| Total | 46 |
mRS, modified Rankin scale; NIHSS, National Institute of Health Stroke Scale; TIA, transient ischemic attack.