Table 2 Study 2: subject characteristics
Normal gradient fdPWV>cfPWV N=83 | Reverse gradient fdPWV<cfPWV N=44 | Significance | |
|---|---|---|---|
Age (years) | 62±6 | 69±7 | P<0.001 |
Gender (male/female) | 32/51 | 11/33 | NS |
Height (m) | 1.66 ±0.09 | 1.65±0.08 | NS |
Weight (kg) | 70±11 | 72±13 | NS |
Brachial systolic BP (mm Hg) | 126±17 | 138±16 | P<0.001 |
Brachial diastolic BP (mm Hg) | 74±8 | 76±7 | NS |
Pulse pressure (mm Hg) | 53±12 | 62±13 | P<0.001 |
Central systolic BP (mm Hg) | 116±15 | 126±12 | P<0.001 |
Central diastolic BP (mm Hg) | 75±8 | 77±7 | NS |
Central pulse pressure (mm Hg) | 40±13 | 51±10 | P<0.001 |
Mean arterial pressure (mm Hg) | 93±11 | 99±10 | P<0.01 |
Unaugmented central systolic BP (mm Hg) | 107±13 | 115±13 | P<0.01 |
Unaugmented central pulse pressure (mm Hg) | 30±7 | 35±7 | P<0.001 |
Heart rate (beats per min) | 66±10 | 68±7 | NS |
Augmentation index (%) | 28±11 | 32±8 | P<0.05 |
Augmentation pressure (mm Hg) | 13±7 | 16±6 | P<0.01 |
Carotid-femoral PWV (m s−1) | 7.9±1.0 | 10.9±2.0 | P<0.001 |
Carotid-radial PWV (m s−1) | 8.3±1.0 | 8.1±1.1 | NS |
Femoral-dorsalis pedis PWV (m s−1) | 9.9±1.1 | 9.2±1.6 | P<0.01 |
Time-to-reflection (ms) | 70.7±6.6 | 68.6±7.0 | NS |
Distance to reflection site (cm) | 55.9±9.9 | 74.6±14.9 | P<0.001 |
Total cholesterol (mmol l−1) | 5.4±1.0 | 5.7±1.0 | NS |
Triglycerides (mmol l−1) | 1.3±0.8 | 1.7±0.9 | P<0.01 |
