Univariable analysis | Multivariable analysis | |||||
---|---|---|---|---|---|---|
Variable | HR | 95% CI | p Value | HR | 95% CI | p Value |
Age | 1.04 | 1.02 to 1.07 | <0.0001 | 1.03 | 1.01 to 1.06 | 0.002 |
Body mass index | 0.96 | 0.93 to 1.00 | 0.06 | 0.94 | 0.90 to 0.98 | 0.002 |
Hypertension | 1.67 | 1.26 to 2.16 | 0.0003 | – | – | 0.10 |
Atrial fibrillation | 2.08 | 1.39 to 3.09 | 0.0005 | – | – | 0.89 |
Aortic valve area | 0.06 | 0.01 to 0.57 | 0.01 | – | – | 0.90 |
Aortic valve mean gradient | 0.95 | 0.92 to 0.99 | 0.02 | – | – | 0.16 |
SVI* | 0.94 | 0.92 to 0.97 | <0.0001 | 0.92 | 0.89 to 0.95 | <0.0001 |
Zva | 1.36 | 1.06 to 1.71 | 0.01 | – | – | 0.29 |
RV systolic pressure | 1.03 | 1.02 to 1.04 | <0.0001 | 1.04 | 1.02 to 1.05 | <0.0001 |
All variables adjusted for age; All HRs for continuous variables are per unit change in regressor.
*Multivariate SVI c-statistic 0.74 (0.68, 0.79).SVI, stroke volume index; Zva, valvuloarterial impedance.