Table 2 Comparison of serial change in aortic stiffness in BAV and CTD
Parameter | BAV Mean 10 year change (n = 49) | CTD Mean 10 year change (n = 50)* | p value |
|---|---|---|---|
Ascending aorta (AAo) | |||
Strain (%) | − 10.3 (− 13.7, − 6.9) | − 3.7 (− 5.3, − 2.0) | < 0.001 |
Distensibility (× 10−3 mmHg−1) | − 2.4 (− 3.2, − 1.7) | − 1.3 (− 1.8, − 0.9) | 0.005 |
β− stiffness index | 1.5 (1.0, 2.0) | 0.6 (0.1, 0.2) | < 0.001 |
Descending thoracic aorta (DAo) | |||
Strain (%) | − 3.7 (− 5.8, − 1.5) | − 2.5 (− 3.7, − 1.3) | 0.28 |
Distensibility (× 10−3 mmHg−1) | − 1.2 (− 1.8, − 0.7) | − 1.0 (− 1.3, − 0.6) | 0.37 |
β-stiffness index | 0.3 (0.1, 0.6) | 0.4 (0.2, 0.6) | 0.58 |