Methodological Framework for Estimating the Correlation Dimension in HRV Signals

Table 2

𝐷₂ estimated by different approaches for Lorenz attractor series (5000 samples) and HRV signals (300 samples). Data expressed as median ∣ interquartile range.

	Lorenz	HRV
		Hyp	NoHyp	P value
𝐷2 [10]	1.93	5.92∣0.57	4.39∣1.26	0.028
𝐷2	1.93	5.94∣0.60	4.81∣0.79	0.028
𝐷2(⟂)	2.01	6.41∣0.65	5.11∣0.77	0.028
𝐷2(max)	1.93	5.88∣0.49	4.83∣0.70	0.010