Table 1. Patient baseline characteristics.
| Clinical Features | Low-risk subjects | High-risk subjects | p-value |
|---|---|---|---|
| Age (years) | 71.4±7 | 74.1±6.5 | 0.136 |
| Sex (female) | 41 (33.6%) | 8 (47.1%) | 0.277 |
| Family history of hypertension | 41 (33.6%) | 7 (41.2%) | 0.622 |
| Family history of stroke | 10 (8.2%) | 3 (17.6%) | 0.236 |
| Smoking | 35 (28.7%) | 5 (29.4%) | 0.983 |
| Diabetes | 18 (14.8%) | 3 (17.6%) | 0.834 |
| Diastolic Blood Pressure (mmHg) | 76.3±9.1 | 73.5±8.4 | 0.204 |
| Systolic Blood Pressure (mmHg) | 136.6±19.5 | 141.7±23.5 | 0.326 |
| Total Cholesterol (mg/dl) | 175.7±35.1 | 182.9±42.7 | 0.460 |
| Low Density Lipoprotein (mg/dl) | 101±30.1 | 102±34.3 | 0.907 |
| High Density Lipoprotein (mg/dl) | 52.4±13.1 | 53.3±15.3 | 0.813 |
| Body Mass Index (kg/m2) | 27.6±3.9 | 27.9±4.9 | 0.793 |
| Body Surface Area (m2) | 1.9±0.2 | 1.9±0.2 | 0.442 |
| Alpha-blockers | 17 (13.9%) | 3 (17.6%) | 0.782 |
| Beta-blockers | 50 (41%) | 6 (35.3%) | 0.487 |
| ACE inhibitor | 37 (30.3%) | 8 (47.1%) | 0.247 |
| Dihydropyridine | 27 (22.1%) | 7 (41.2%) | 0.131 |
| Intima Media Thickness (mm) | 2.3±0.7 | 2.4±1.1 | 0.685 |
| Left Ventricular Mass index (g/m2) | 130.1±26.1 | 140.2±25.1 | 0.135 |
| Ejection Fraction (%) | 59.3±10.9 | 57.8±13 | 0.591 |
Data are expressed as mean and standard deviation for continuous variables (e.g. age) and as count and percentage of patients per each group for categorical variables (e.g. gender).