Table 1.
Baseline characteristics of older adults without heart failure and concentric left ventricular (LV) geometry at baseline and year 7 (n=343)
| Variable | n (%) or mean (±SD) |
|---|---|
| Age (years) | 73 (±5) |
| Female | 217 (63%) |
| African American | 26 (8%) |
| Smoking (pack years) | 16 (±25) |
| Height (cm) | 164 (±9) |
| Weight (pounds) | 155 (±28) |
| Body surface area (m2) | 1.74 (±0.19) |
| Body mass Index (kg/m2) | 26.1 (±3.9) |
| Systolic blood pressure (mmHg) | 137 (±23) |
| Diastolic blood pressure (mmHg) | 72 (±12) |
| Echocardiography | |
| LV systolic dysfunction* | 9 (3%) |
| LV fractional shortening (%) | 45 (±8) |
| LV end diastolic dimension (cm) | 4.3 (±0.5) |
| LV end diastolic interventricular septal thickness (cm) | 1.1 (±0.2) |
| LV end diastolic posterior wall thickness (cm) | 1.0 (±0.1) |
| LV mass (g) | 155.2 (±50.7) |
| Relative Relative wall thickness | 0.48 (±0.07) |
| Comorbidities | |
| Coronary heart disease | 50 (15%) |
| Prior myocardial infarction | 16 (5%) |
| Hypertension | 201 (59%) |
| Diabetes mellitus | 48 (14%) |
| LV hypertrophy (electrocardiogram) | 16 (5%) |
| Medications | |
| Angiotensin-converting enzyme inhibitors | 19 (6%) |
| Beta-blockers | 51 (15%) |
| Laboratory data | |
| Serum creatinine (mg/dL) | 0.91 (±0.28) |
| Serum cholesterol (mg/dL) | 2156 (±39) |
| Serum C-reactive protein (mg/dL) | 3.8 (±4.8) |
*
Based on qualitative 2D echocardiography with estimated left ventricular ejection fraction <55%