Table 1.
Study sample baseline characteristics and hemodynamic variables
| Variable | Total population (n=1736) |
|---|---|
| Age (years) | 71.7±6.5 |
| Women | 1045 (60.2%) |
| Height (cm) | 161.8±9.7 |
| Weight (kg) | 69.6±13.8 |
| Body mass index (kg/m2) | 26.5±4.4 |
| Current smoker | 312 (18.0%) |
| Systolic blood pressure (mm Hg) | 142±19 |
| Diastolic blood pressure (mm Hg) | 78±10 |
| Resting heart rate (beats/min) | 71±13 |
| Antihypertensive medication use | 774 (44.6%) |
| Diabetes mellitus | 115 (6.6%) |
| Prevalent heart failure | 32 (1.8%) |
| Prevalent myocardial infarction | 98 (5.7%) |
| Orthostatic hypotension* | 256 (14.8%) |
| Supine hemodynamics | |
| Systolic blood pressure (mm Hg) | 144±21 |
| Diastolic blood pressure (mm Hg) | 79±10 |
| Mean arterial pressure (mm Hg) | 101±12 |
| Pulse pressure (mm Hg) | 65±18 |
| Standing hemodynamics | |
| Systolic blood pressure (mm Hg) | 141±21 |
| Diastolic blood pressure (mm Hg) | 84±11 |
| Mean arterial pressure (mm Hg) | 103±12 |
| Pulse pressure (mm Hg) | 57±18 |
| Change on standing, median (25th, 75th percentiles) | |
| Systolic blood pressure (mm Hg) | −4 (−12, 6) |
| Diastolic blood pressure (mm Hg) | 4 (0, 10) |
| Mean arterial pressure (mm Hg) | 2 (−3.3, 8) |
| Pulse pressure (mm Hg) | −8 (−16, 0) |
*
Drop in systolic blood pressure ≥20 mm Hg or diastolic blood pressure ≥10 mm Hg from supine to standing (standing – supine)
Values are n (%), mean ± SD, or median (25th, 75th percentile)