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Table 1 Cox proportional hazard analysis of various clinical and noninvasive imaging predictors of long-term mortality in patients with biopsy proven cardiac amyloidosis

From: Delayed hyper-enhancement cardiac magnetic resonance provides incremental prognostic value in patients with cardiac amyloidosis

  Univariate Analysis   Multivariate Analysis
Variable χ2 p value p value
Age 3.8 0.05 0.10
Gender 0.15 0.69  
New York Heart Association Class 3.3 0.07 0.16
Low voltage on electrocardiogram 0.67 0.41  
Left atrial size > 20 cm2 0.76 0.39  
Left ventricular ejection fraction 2.21 0.14  
Interventricular septal thickness 1.7 0.19  
E/E' > 15 on Doppler echocardiography 1.12 0.29  
Deceleration time on Doppler echocardiography ≤ 150 msec 1.41 0.23  
Myocardial performance index 2.10 0.15  
Diastology grade 0.35 0.55  
Delayed hyperenhancement on cardiac magnetic resonance 4.91 0.03 0.02
  1. Chi-square for multivariate model = 12.27, p-value = 0.007