Assessment of Diabetic Autonomic Nervous Dysfunction with a Novel Percussion Entropy Approach

Table 3

Associations of demographic, anthropometric, hemodynamic, and serum biochemical data with computational parameters for autonomic function assessment in all testing subjects.

	PEI				SSR		LHR
	r	p	r	p	r	p	r	p
Age (years)	0.10	0.562	0.06	0.662	0.02	0.832	0.09	0.398
BH (cm)	0.14	0.251	0.13	0.351	-0.02	0.887	0.17	0.142
BW (kg)	-0.10	0.397	-0.12	0.417	-0.07	0.580	0.14	0.244
WC (cm)	0.55	0.241	0.65	0.351	0.05	0.861	0.20	0.074
BMI (kg/m^2)	-0.16	0.173	0.03	0.573	-0.04	0.742	0.07	0.543
SBP (mmHg)	-0.06	0.641	-0.01	0.741	0.10	0.421	-0.02	0.870
DBP (mmHg)	0.06	0.620	0.07	0.650	0.10	0.409	0.10	0.419
PP (mmHg)	-0.15	0.189	-0.10	0.428	0.06	0.632	-0.10	0.436
HDL (mg/dL)	0.01	0.942	0.05	0.963	-0.01	0.946	-0.08	0.548
LDL (mg/dL)	-0.01	0.934	-0.06	0.534	-0.04	0.749	-0.10	0.449
Cholesterol (mg/dL)	-0.10	0.439	-0.09	0.539	-0.01	0.920	0.02	0.899
Triglyceride (mg/dL)	-0.09	0.468	-0.10	0.439	0.21	0.079	0.30	0.012
HbA1c (%)	0.16	0.001	0.14	0.005	0.11	0.371	0.01	0.946
FBS (mg/dL)	0.13	0.012	0.13	0.018	0.03	0.014	0.07	0.587

BH: body height; BW: body weight; WC: waist circumference; BMI: body mass index, SBP: systolic blood pressure; DBP: diastolic blood pressure; PP: pulse pressure; HbA1c: glycated hemoglobin; HDL: high-density lipoprotein cholesterol; LDL low-density lipoprotein cholesterol; FBS: fasting blood sugar. LHR: low- to high-frequency power ratio; SSR: Poincaré index (SD1/SD2 ratio); : small-scale multiscale entropy index (mean value of sample entropy from time scale from 1 to 5); PEI: percussion entropy index; : correlation of low significance; : correlation of moderate significance; : highly significant correlation. p < 0.017; p < 0.001. Significance of correlations determined with Pearson correlation.