Table 1. Participant demographics and characteristics.
| Parameters | (n=2062) |
|---|---|
| Age, years | 69.10 ± 9.20 |
| Gender- female, n (%) | 1117 (54.2) |
| Race, n (%) | |
| White | 843 (40.9) |
| Chinese-American | 283 (13.7) |
| African-American | 529 (25.7) |
| Hispanic | 407 (19.7) |
| Body mass index, kg/m2 | 28.01 ± 5.16 |
| Body surface area, m2 | 1.83 ± 0.22 |
| Risk factors | |
| Diabetes mellitus, n (%) | |
| Impaired fasting glucose | 446 (21.6) |
| Untreated | 26 (1.3) |
| Treated | 340 (16.5) |
| Heart rate, bpm | 61.44 ± 9.49 |
| Systolic blood pressure, mm Hg | 123.15 ± 19.82 |
| Diastolic blood pressure, mm Hg | 68.30 ± 9.85 |
| Antihypertensive medication, % | 1118 (54.22) |
| Total cholesterol, mg/dL | 184.13 ± 36.81 |
| LDL cholesterol, mg/dL | 106.08 ± 32.37 |
| HDL cholesterol, mg/dL | 56.19 ± 16.74 |
| Glomerular filtration rate, ml/min/1.73m2 | 80.73 ± 19.93 |
| Cigarette smoking, % | |
| Never smoked | 1045 (50.67) |
| Former smoker | 888 (43.06) |
| Current smoker | 129 (6.27) |
| EKG parameters | |
| LBBB, number of participants, n | 6 |
| QRS duration, msec | 95.14 ± 15.58 |
| Global parameters | |
| LV ejection fraction, % | 62.08 ± 7.25 |
| LV mass-indexed to BSA, gm/m2 | 65.79 ± 13.41 |
| LV end-diastolic volume, mL | 118.36 ± 31.05 |
| LV end-systolic volume, mL | 45.57 ± 17.71 |
HDL, high-density lipoprotein, LBBB, left-bundle-branch block, LV, left ventricular.