Research Article
Multifractal-Multiscale Analysis of Cardiovascular Signals: A DFA-Based Characterization of Blood Pressure and Heart-Rate Complexity by Gender
Figure 9
Power spectra of IBI, SBP, and DBP: comparison by sex. (a) Mean ± standard error of the mean; (b) Student’s statistics at each frequency for comparing males () versus females (). Dashed horizontal lines represent the 5% significance threshold; values above the threshold (red dots) indicate differences significant at .
(a) |
(b) |