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Table 2 Cox regression models with ECG measures as predictors for time to development of cardiomyopathy (N = 480)

From: Electrocardiograms for cardiomyopathy risk stratification in children with anthracycline exposure

Model

Covariatea

Unit Change

Hazard Ratio

95% CI

P-value

1

ΣQRS (6 L)

0.6 mV

1.174

1.057–1.304

0.003

2

QTc

10 ms

1.098

1.027–1.173

0.006

  1. aECG measures were evaluated as time-dependent covariates
  2. ΣQRS (6 L): sum of QRS amplitude in 6 electrocardiogram limb leads, QTc: corrected QT interval
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Cardio-Oncology

ISSN: 2057-3804

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