| Parameter | Amlodipine monotherapy (N = 13) | Polytherapy (N = 27) |
| Carotid-femoral PWV (cm/s) | 989.83 ± 460.33 | 1030.8 ± 402.56 |
| Left brachial PWV (cm/s) | 864.59 ± 1796.0 | 1165.4 ± 1397.1 |
| Right brachial PWV (cm/s) | 1498.5 ± 693.97 | 1513 7 ± 523.41 |
| Right brachial ASI (mmHg) | 22.715 ± 14.696 | 23.626 ± 11.850 |
| Left brachial ASI (mmHg) | 25.731 ± 7.041 | 27.185 ± 9.638 |
| Right ankle ASI (mmHg) | 36.000 ± 9.410 | 36.470 ± 10.990 |
| Left ankle ASI (mmHg) | 40.054 ± 7.241 | 38.948 ± 9.188 |
| Pulse pressure (mmHg) | 57.65 ± 13.17 | 59.64 ± 16.81 |