Figure 9.

Box plots of the entropy variance ratios and standard deviations for each subject in the CHF group. (A) Traditional SampEn ($m=2,$ $r=0.2)$, (B) physical threshold-based SampEn ($m=1,$ $r=12\mathrm{ms})$ and (C) physical threshold-based SampEn ($m=2,$ $r=12\mathrm{ms})$.