TABLE 6.
Arterial stiffness characteristics of participants stratified by blood pressure dipping status.
| Total (n = 43) | Dippers (n = 11) | Non-dippers (n = 32) | p-value | |
| Patients who had high cfPWV (≥7.2 m/s) | 22 (51.2%) | 7 (63.6%) | 15 (46.9%) | 0.34 |
| Carotid femoral pulse wave velocity, m/s | 7.4 ± 1.2 | 7.8 ± 1.2 | 7.2 ± 1.1 | 0.18 |
| Carotid radial pulse wave velocity, m/s | 8.2 ± 1.2 | 8.3 ± 1.6 | 8.1 ± 1.1 | 0.77 |
| Carotid radial/femoral PWV | 1.1 ± 0.2 | 1.1 ± 0.2 | 1.2 ± 0.3 | 0.40 |
| Augmentation index, % | 14.0 ± 9.6 | 14.5 ± 7.8 | 13.9 ± 10.2 | 0.87 |
| Corrected augmentation index with HR 75 bpm, % | 17.7 ± 8.7 | 19.3 ± 7.5 | 17.2 ± 9.1 | 0.51 |
| Subendocardial viability ratio, % | 119.9 ± 18.3 | 109.6 ± 19.1 | 123.4 ± 16.9 | 0.03 |
| Pulse pressure amplification, mm Hg | 1.5 ± 0.2 | 1.5 ± 0.1 | 1.5 ± 0.2 | 0.81 |
| Central SBP, mm Hg | 98.3 ± 20.2 | 88.8 ± 29.7 | 101.5 ± 15.1 | 0.07 |
| Central DBP, mm Hg | 75.8 ± 8.9 | 74.1 ± 10.5 | 76.3 ± 8.4 | 0.49 |
| Peripheral SBP, mm Hg | 115.1 ± 12.0 | 114.2 ± 11.3 | 115.5 ± 12.5 | 0.77 |
| Peripheral DBP, mm Hg | 73.6 ± 8.6 | 70.7 ± 9.9 | 74.6 ± 8.0 | 0.21 |
Values are presented in means ± SD or numbers (%). cfPWV, carotid femoral pulse wave velocity; PWV, pulse wave velocity; HR, heart rate; SBP, systolic blood pressure; DBP, diastolic blood pressure.