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Table 3 Cox analysis of clinical characteristics and CMR variables for prediction of appropriate ICD therapy

From: Scar extent evaluated by late gadolinium enhancement CMR: a powerful predictor of long term appropriate ICD therapy in patients with coronary artery disease

 

Univariable analysis

Multivariable analysis

 

Hazard Ratio (95% CI)

p value

Hazard Ratio (95% CI)

p value

Clinical and ECG variables

Pre-ICD revascularization

0.102 (0.0226-0.461)

0.003

10.8 (2.1-53.6)

0.001

Amiodarone use

0.21 (0.0274-1.61)

0.13

  

CMR variables

LVEF

0.942 (0.869-1.02)

0.14

  

Percent scar

1.08 (1.02-1.16)

0.014

  

Scar mass

1.08 (1.04-1.12)

0.0001

3.15 (1.35-7.33)

< 0.001

Transmural scar extent

STAB ≥75%

1.36 (1–1.83)

0.048

  

STLB ≥ 50%

1.33 (1.04-1.69)

0.022

  

SMST total

1.21 (1–1.45)

0.045

  

SMST ≥75%

1.18 (0.993-1.39)

0.06

  
  1. MI indicates myocardial infarction; LVEF, left ventricular ejection fraction; STAB, scar transmurality area based; STLB, scar transmurality line based; WIT, weighed infarct transmurality; SMST, spatial maximal transmurality.