Table 2.
Results of simple and partial correlation analyses between selected magnetic resonance imaging (MRI)-based pulse wave velocity (PWV) and aortic hemodynamic variables in study 1
| cfPWV | baPWV | hbPWV | |
|---|---|---|---|
| Simple correlation coefficient | |||
| Aortic SBP | 0.632 | 0.700 | 0.629 |
| Aortic MBP | 0.591 | 0.654 | 0.610 |
| Aortic DBP | 0.554 | 0.609 | 0.606 |
| Aortic PP | 0.510 | 0.570 | 0.444 |
| Aortic AP | 0.552 | 0.582 | 0.533 |
| Aortic AIx | 0.472 | 0.469 | 0.503 |
| Partial correlation coefficient (controlling for age) | |||
| Aortic SBP | 0.444 | 0.552 | 0.417 |
| Aortic MBP | 0.434 | 0.531 | 0.463 |
| Aortic DBP | 0.360 | 0.445 | 0.432 |
| Aortic PP | 0.353 | n.s. | 0.227 |
| Aortic AP | 0.246 | 0.295 | n.s. |
| Aortic AIx | n.s. | n.s. | n.s. |
| Partial correlation coefficient (controlling for brachial SBP) | |||
| Aortic SBP | 0.306 | 0.311 | 0.380 |
| Aortic MBP | n.s. | n.s. | 0.280 |
| Aortic DBP | n.s. | n.s. | 0.281 |
| Aortic PP | n.s. | n.s. | n.s. |
| Aortic AP | 0.339 | 0.350 | 0.324 |
| Aortic AIx | 0.393 | 0.390 | 0.432 |
Abbreviations: AIx, augmentation index; AP, augmentation pressure; baPWV, brachial-ankle pulse wave velocity; cfPWV, carotid-femoral pulse wave velocity; DBP, diastolic blood pressure; hbPWV, heart-brachial pulse wave velocity; MBP, mean blood pressure; n.s., non significant; PP, pulse pressure; SBP, systolic blood pressure.
Numbers are significant Pearson’s r values.