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Table 7 Agreement (sensitivity, specificity) for left ventricular ejection fraction to predict total cardiovascular events (n = 400)

From: The impact of asymptomatic ventricular arrhythmias on the outcome of heart failure patients with reduced ejection fraction

 

AUC

P

95% C.I

Cut off

Sensitivity

Specificity

PPV

NPV

LVEF

0.749*

< 0.001*

0.652–0.830

≤ 30

61.76

81.25

87.5

50.0

  1. AUC: area under a curve, P value: probability value, CI: confidence intervals, NPV: negative predictive value, PPV: positive predictive value
  2. *Statistically significant at P ≤ 0.05