Table 2.
Comparison of hypertension and aortic stiffness parameters between groups
| COA with BAV (n = 145) |
COA with TAV (n = 70) |
p value | |
|---|---|---|---|
| Hypertension | 46 (32%) | 25 (36%) | 0.56 |
| AAO stiffness parameters | |||
| Strain (%) | 26.3 (15.7, 37.1) | 33.3 (21.6, 44.7) | 0.011 |
| Distensibility (× 10–3 mmHg−1) | 4.5 (2.7,6.8) | 5.5 (3.8, 7.6) | 0.014 |
| Distensibility z-score | − 1.2(− 3.0,− 0.3) | − 0.7(− 2.1, 0.4) | 0.001 |
| β Stiffness Index | 2.5 (1.7,4) | 2.0 (1.5, 2.8) | 0.010 |
| DAO stiffness parameters | |||
| Strain (%) | 26.9 (19.2, 35.8) | 22.3(15.8, 29.7) | 0.034 |
| Distensibility (× 10–3 mmHg−1) | 4.4(3.3, 6.5) | 3.9(2.5, 5.5) | 0.08 |
| β Stiffness index | 2.4 (1.8, 3.4) | 2.8 (2.0, 4.2) | 0.05 |
Aortic stiffness parameters have been measured at 2 locations (AAO and DAO). Significant p values are in bold for Wilcoxon ranksum test. Values are expressed as median (interquartile range) or number (%)
AAO Ascending aorta, DAO descending aorta, CMR Cardiac magnetic resonance, CSA cross-sectional area