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Table 4 Univariate and multivariate Cox regression analysis in patients with both CMR and TTE EF1 (n = 126)

From: First-phase ejection fraction by cardiovascular magnetic resonance predicts outcomes in aortic stenosis

 

HR

CI (95%)

P

HR

CI (95%)

P

HR

CI (95%)

P

Univariate

Multivariate CMR EF1

Multivariate TTE EF1

Age

1.01

0.99, 1.03

0.25

1.01

0.82, 1.23

 > 0.9

1.01

0.82, 1.24

 > 0.9

Male

1.30

0.70, 2.40

0.41

1.59

0.93, 2.74

0.091

1.20

0.70, 2.04

0.5

NYHA

         

II

1.19

0.77, 1.83

0.43

0.95

0.54, 1.66

0.9

1.06

0.60, 1.86

0.9

III/IV

3.43

2.16, 5.47

 < 0.001

2.41

1.29, 4.51

0.006

3.01

1.56, 5.82

0.001

MPG

1.05

1.04, 1.06

 < 0.001

1.06

1.04, 1.08

 < 0.001

1.07

1.04, 1.09

 < 0.001

CMR EF1

0.89

0.86, 0.92

 < 0.001

0.93

0.89, 0.97

0.001

-

-

-

TTE EF1

0.88

0.85, 0.91

 < 0.001

-

-

-

0.89

0.86, 0.93

 < 0.001

Infarct LGE

0.54

0.32, 0.91

0.02

1.06

0.58, 1.94

0.8

0.55

0.29, 1.05

0.068

iECV

1.06

1.03, 1.09

 < 0.001

0.99

0.95, 1.02

0.5

0.99

0.96, 1.03

0.6

  1. HR hazard ratio, CI confidence interval, NYHA New York Heart Association Class, MPG mean pressure gradient, CMR cardiac magnetic resonance, EF1 first-phase ejection fraction, TTE transthoracic echocardiography, LGE late gadolinium enhancement, iECV indexed extracellular volume