Fig. 4From: A refined method of quantifying deceleration capacity index for heart rate variability analysisAnalysis of the discrimination power of the healthy and end-stage renal disease (ESRD) groups by receiver operating characteristic curve (ROC) analysis. The areas under the curve (AUC) of DCorg and DCref were 0.945 vs. 0.944, 0.960 vs. 0.969, and 0.967 vs. 0.971 for a 24-h, b 2-h and c 30-min ECG recordings, respectivelyBack to article page