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Table 2 Univariate and multivariate Cox regression analyses in terms of VT/VF recurrence

From: Left ventricle remodeling predicts the recurrence of ventricular tachyarrhythmias in implantable cardioverter defibrillator recipients for secondary prevention

 

Univariate analysis

Multivariate analysis

Variables

Hazard ratio

95% CI

p-value

Hazard ratio

95% CI

p-value

Atrial fibrillation (paroxysmal and persistent)

1.095

0.584 ~ 2.052

0.777

   

LVEF (%)

0.986

0.970 ~ 1.001

0.074

   

LVEF 30%

1.995

1.064 ~ 3.740

0.031

   

LVEDV (mL)

1.004

1.000 ~ 1.007

0.028

   

LVEDV > 163.5 mL

2.042

1.170 ~ 3.562

0.012

2.549

1.249 ~ 5.201

0.010

LVESV (mL)

1.004

1.001 ~ 1.008

0.025

   

Heart failure NYHA functional class 3

1.293

0.688 ~ 2.430

0.425

   

QRS width (msec)

1.008

1.000 ~ 1.016

0.059

   

QRS width > 125 msec

2.067

1.003 ~ 4.260

0.049

2.173

1.030 ~ 4.586

0.042

Ischemic cardiomyopathy

0.998

0.580 ~ 1.717

0.995

   

Dilated cardiomyopathy

0.851

0.437 ~ 1.655

0.634

   

Anti-arrhythmic drugs

0.611

0.298 ~ 1.252

0.178

   

Post VT ablation

0.844

0.272 ~ 2.615

0.768

   
  1. *Abbreviations: VT ventricular tachycardia, VF ventricular fibrillation, CI confidence interval, LVEF left ventricular ejection fraction, LVEDV left ventricular end diastolic volume, LVESV left ventricular end systolic volume, NYHA New York Heart Association