TABLE 1.
Baseline Characteristics of the Cohort (n=1939)
| Demographics | |
|---|---|
| Age in years, mean (SD) | 68.6 (10.0) |
| Median | 68 |
| Male, n (%) | 795 (41.0) |
| Race–ethnicity, n (%) | |
| White | 422 (21.8) |
| Black | 476 (24.4) |
| Hispanic | 997 (51.4) |
| Other | 44 (2.4) |
| Completed high school, n (%) | 942 (48.6) |
| Vascular risk factors | |
| Hypertension, n (%) | 1411 (72.8) |
| Diabetes, n (%) | 281 (14.5) |
| Hypercholesterolemia, n (%) | 1100 (56.7) |
| Current smoking, n (%) | 286 (14.6) |
| Any cardiac disease, n (%) | 439 (22.6) |
| Medication use | |
| Antithrombotic therapy | 513 (26.5) |
| Antihypertensive therapy | 845 (43.6) |
| Lipid-lowering therapy | 253 (13.0) |
| Carotid artery plaque | |
| Any plaque, n (%) | 1091 (56.4) |
| Number of plaques, n (%) | |
| 1 plaque | 418 (21.6) |
| >1 plaque | 683 (34.7) |
| Surface, n (%) | |
| Regular | 984 (50.7) |
| Irregular | 107 (5.5) |
| Stenosis, n (%) | |
| <40% | 1023 (52.8) |
| 40−60% | 36 (1.9) |
| >60% | 32 (1.7) |
| Location, n (%) | |
| Internal carotid artery/BIF only | 1009 (52.0) |
| Common carotid artery | 82 (4.2) |
BIF indicates bifurcation.