Table 3.
Aortic distensibility for the entire cohort by tertile of age at baseline
| Parameter | 1st age tertile 35–60 years (n = 19) |
2nd age tertile 61–68 years (n = 19) |
3rd age tertile 69–81 years (n = 20) |
p value |
|---|---|---|---|---|
| Pulse pressure (mmHg) | ||||
| Baseline | 78.4 ± 14.7 | 78.9 ± 16.8 | 81.3 ± 15.6 | 0.826 |
| 6-month follow-up | 59.8 ± 14.2 | 68.1 ± 11.9 | 67.4 ± 17.6 | 0.166 |
| Descending aortic distensibility (10−3 mmHg−1) | ||||
| Baseline | 1.87 ± 0.82 | 1.57 ± 0.98 | 1.14 ± 0.45 | 0.019 |
| 6-month follow-up | 2.62 ± 1.10 | 1.98 ± 0.72 | 1.48 ± 0.56 | < 0.001 |
| Absolute change at 6-month follow-up | 0.75 ± 1.01 | 0.41 ± 0.96 | 0.34 ± 0.68 | 0.318/0.008* |
| Relative change at 6-month follow-up | 40 ± 54% | 26 ± 61% | 29 ± 30% | 0.459/0.434** |
p values by ANOVA
*Univariable Bonferroni correction using baseline distensibility as covariable
**1st vs. 2nd and 1st vs. 3rd tertile