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Table 1 Mean ± Standard deviation of all descriptors with p values for NSR and Arrhythmia subjects

From: Complex Correlation Measure: a novel descriptor for Poincaré plot

  SD1 SD2 CCM
NSR 0.03 ± 0.02 0.19 ± 0.04 0.05 ± 0.03
Arrhythmia 1.92 ± 5.18 2.30 ± 5.86 0.26 ± 0.08
p value (ANOVA) 7.60E-3 8.50E-3 6.28E-18
  1. Mean ± Standard deviation of SD 1, SD 2 and CCM for normal sinus rhythm (NSR) and arrhythmia subjects. p value from ANOVA analysis is given in the last row. Using ANOVA, for CCM, p = 6.28 × 10-18 is obtained whereas for SD 1 and SD 2, it is 7.6 × 10-3 and 8.5 × 10-3 respectively. In case of p < 0.001 to be considered as significant, only CCM would show the significant difference between two groups which indicates that CCM is a better descriptor of HRV signal than SD 1 and SD 2 when comparing arrhythmia with normal sinus rhythm subjects.