Fig. 3From: Area asymmetry of heart rate variability signalAUC results of the four HRA indices. a A comparison between healthy subjects and subjects with arrhythmia (results obtained from 54 healthy subjects and 272 subjects with arrhythmia). b A comparison between healthy subjects and CHF patients (results obtained from 54 healthy subjects and 29 CHF patients). Results were based on the complete HRV recordings and are shown as mean ± stardard error (SE, nonparametric bootstrap-based estimator in SPSS)Back to article page