Table 5.

List of non-linear markers, along with a synthetic description provided.

#	Marker	Synthetic description
38	SD1	Standard deviation of the Poincaré plot in the orthogonal direction to the identity line
39	SD2	Standard deviation of the Poincaré plot along the identity line
40	RPL mean	Mean line length of diagonal lines in Recurrence Plot
41	RPL max	Maximum line length of diagonal lines in Recurrence Plot
42	REC	Recurrence rate (percentage of recurrence points in Recurrence Plot)
43	DET	Determinism (percentage of recurrence points which form diagonal lines in Recurrence Plot)
44	ShanEn	Shannon Entropy of diagonal line lenghts’ probability distribution
45	ApEn	Approximate entropy
46	SampEn	Sample entropy
47	DFA ${\alpha }_1$	Short-term fluctuations of Detrended Fluctuation Analysis
48	DFA ${\alpha }_2$	Long-term fluctuations of Detrended Fluctuation Analysis
49	D2	Correlation dimension