Table 6.

Mean value and 95% confidence interval of the most significant indices comparing the IDC_HR patients and CON subjects.

Index	IDCHR (N = 14)	CON (N = 49)	p-value
HRJSDds_LD1-V	0.05 [0.040; 0.066]	0.02 [0.020; 0.027]	***
NSTPDCcs_Area_c->s	0.29 [0.24; 0.35]	0.15 [0.13; 0.17]	***
NSTPDCcd_Area_c->d	0.31 [0.27; 0.36]	0.22 [0.20; 0.24]	**
SPPAds_Column_2-6	27.23 [25.73; 28.72]	22.44 [21.26; 23.63]	**
HRJSDcd_LD1-E2	0.003 [0.001; 0.006]	0.012 [0.010; 0.015]	**

^**ρ ≤ 0.001;

^***ρ ≤ 0.0000167; IDC_HR, idiopathic cardiomyopathic patients at high risk of sudden cardiac death; CON, control group; SPPA, segmented Poincaré plot analysis; HRJSD, high resolution joint symbolic dynamic; NSTPDC, normalized short-time partial directed coherence; cd, cardio-diastolic coupling; cs, cardio-systolic coupling; ds, diastolic-systolic coupling.