Research Article

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

Figure 3

Power spectral analysis by age. Control subjects () with increasing age from RR and PP time series. The slope varies with age with an erratic behavior in RR intervals (a, b, c). The slope of the fit line increases according to age in PP intervals (d, e, f).