Demographic variables
| Variable | Mean or % |
|---|---|
| Age (yr) | 69.4 (range, 21–98) |
| Sex (male) | 45.4% |
| Side (left) | 54.6% |
| Ethnicity | |
| White | 56.9% |
| Asian | 21.6% |
| Hispanic | 13.7% |
| African American | 7.4% |
| Pacific Islander | 0.5% |
| Hypertension | 68.1% |
| Hyperlipidemia | 44.4% |
| Diabetes mellitus | 24.2% |
| Coronary/peripheral artery disease | 24.2% |
| Atrial fibrillation | 44.9% |
| Prior stroke | 14.0% |