The Role of the Autonomic Nervous System on Cardiac Rhythm during the Evolution of Diabetes Mellitus Using Heart Rate Variability as a Biomarker

Table 2

Alterations of HRV of frequency pacemaker by diabetes.

Frequency (ii/min)	Intrinsic activity (ms)	SD1	SD2	Poincaré index
				SD1/SD2	Frequency	Variation CT vs. cDM
8 years’ development
		10	61	0.2
		61	45	1.35	Increase 18%	Increase 377%
15 years’ development
	^∞	15^∞	15^∞	1
	^∞	13^∞	14^∞	0.9	Increase 9%	—

Student -test: vs. control; Student -test: adulthood. ii: interval interpotential.