Table 1.
Study population characteristics by intracranial large artery stenosis (ICAS) groups
| Characteristic | ≥50% ICAS (n=96) | Not ≥50% ICAS (n=1,115) |
|---|---|---|
| Age, mean years (sd) | 74.5 (9.4) | 70.2 (8.8) |
| Women, % | 54 | 59 |
| Race and Ethnicity, % | ||
| Non-Hispanic White | 15 | 18 |
| Non-Hispanic Black | 25 | 17 |
| Hispanic | 60 | 65 |
| Comorbidities, % | ||
| Hypertension | 92 | 77 |
| Hyperlipidemia | 84 | 81 |
| Diabetes Mellitus | 39 | 23 |
| Current Smoking | 7 | 12 |
| Longitudinal Outcomes, % | ||
| Any death | 57 | 36 |
| Vascular death | 33 | 15 |
| Any vascular event (vascular death, myocardial infarction, or any stroke) | 43 | 25 |
| Any ischemic stroke | 2 | 1 |