Table 3

Univariate and multivariate Cox proportional regression analyses of all-cause mortality in the overall cohort

Univariate analysisMultivariate analysis
HR (95% CI)P valueAdjusted HR (95% CI)P value
Men1.30 (1.18 to 1.42)<0.011.40 (1.25 to 1.57)<0.01
Age1.01 (0.99 to 1.03)0.130.99 (0.97 to 1.01)0.31
Clinical Frailty Scale 1–30.77 (0.70 to 0.85)<0.010.81 (0.73 to 0.90)<0.01
NYHA class 3 or 41.33 (1.21 to 1.46)<0.011.18 (1.07 to 1.31)<0.01
Smoking1.20 (1.08 to 1.33)<0.011.02 (0.90 to 1.15)0.74
Diabetes mellitus1.12 (1.00 to 1.24)0.040.99 (0.89 to 1.11)0.87
Hypertension0.97 (0.88 to 1.09)0.630.97 (0.86 to 1.08)0.54
Previous myocardial infarction1.32 (1.13 to 1.52)<0.011.14 (0.96 to 1.35)0.14
Previous coronary artery bypass grafting1.21 (1.02 to 1.40)0.031.05 (0.88 to 1.24)0.60
Peripheral artery disease1.35 (1.21 to 1.50)<0.011.08 (0.95 to 1.22)0.24
Previous stroke1.14 (0.99 to 1.30)0.061.04 (0.90 to 1.19)0.62
Atrial fibrillation1.19 (1.07 to 1.32)<0.011.00 (0.90 to 1.12)0.98
STS risk score1.04 (1.03 to 1.04)<0.011.02 (1.01 to 1.03)<0.01
eGFR, mL/min/1.73 m20.98 (0.98 to 0.99)<0.010.99 (0.99 to 1.00)<0.01
Haemoglobin, g/L0.83 (0.78 to 0.88)<0.010.85 (0.80 to 0.91)<0.01
Medication at admission
Statin0.84 (0.77 to 0.93)<0.010.86 (0.77 to 0.95)<0.01
Renin-angiotensin inhibitor0.92 (0.84 to 1.01)0.080.88 (0.80 to 0.97)0.01
ß blocker1.09 (0.99 to 1.20)0.081.06 (0.96 to 1.16)0.28
Preprocedural echocardiographic data
Aortic valve area, cm2/m21.29 (0.76 to 2.20)0.351.23 (0.63 to 2.38)0.54
Peak velocity, mm Hg0.75 (0.67 to 0.85)<0.010.76 (0.66 to 0.88)<0.01
Ejection fraction, %0.99 (0.98 to 0.99)0.031.01 (1.00 to 1.02)0.02
Pulmonary hypertension1.50 (1.25 to 1.78)<0.011.27 (1.05 to 1.53)0.01
Severe aortic regurgitation0.56 (0.13 to 1.19)0.160.57 (0.21 to 1.51)0.26
Severe mitral regurgitation1.34 (0.93 to 1.81)0.110.99 (0.70 to 1.40)0.96
Procedural variables
Transfemoral approach0.81 (0.73 to 0.91)<0.010.87 (0.77 to 0.98)0.03
Local anaesthesia0.89 (0.79 to 1.01)0.070.92 (0.81 to 1.05)0.22
  • eGFR, estimated glomerular filtration rate; NYHA, New York Heart Association; STS, Society of Thoracic Surgeons.