Table 3

Univariable and multivariable Cox regression for AVR-free survival in asymptomatic cohort

Univariate HR (95% CI)P valueMultivariate HR (95% CI)P value
Age (years)0.99 (0.97 to 1.02)0.540.98 (0.96 to 1.01)0.25
Sex (male)1.20 (0.74 to 1.95)0.451.41 (0.85 to 2.34)0.13
Hypertension1.29 (0.77 to 2.14)0.33
Diabetes0.71 (0.33 to 1.56)0.40
Previous PCI or myocardial infarction3.10 (0.96 to 10.04)0.063.12 (0.93 to 10.43)0.07
Aortic valve area (per 0.01 cm2)0.98 (0.97 to 1.00)0.03
Aortic mean gradient (mm Hg)1.02 (1.01 to 1.04)0.0041.02 (1.01 to 1.04)0.006
LV ejection fraction (%)1.00 (0.97 to 1.03)0.95
EF1 (%)0.95 (0.92 to 0.99)0.010.96 (0.92 to 1.00)0.04
Global longitudinal strain (%)1.06 (0.98 to 1.13)0.13
LV mass (g)1.00 (1.00 to 1.01)0.08
Late gadolinium enhancement fibrosis1.05 (0.58 to 1.90)0.86
Valvulo-arterial impedance (mm Hg/mL/m2)1.24 (0.86 to 1.78)0.25
Systemic arterial compliance (mm Hg/mL/m2)1.03 (0.50 to 2.11)0.94
End-systolic wall stress (kdynes/cm2)1.01 (1.00 to 1.02)0.06
  • AVR, aortic valve replacement; EF1, first-phase ejection fraction; LV, left ventricle; PCI, percutaneous cardiac intervention.