Table 2.

EEG power spectral density in Delta and Alpha band, Delta/Alpha Ratio (DAR) and pairwise derived Brain Symmetry Index (pdBSI) synthetic indices on the whole scalp for Healthy, CS, S patiens.

	Healthy	CS	S	Mann Whitney value Healthy-CS	Mann Whitney value Healthy-S	Mann Whitney value CS-S
Delta	14.83 (13.17)	29.69 (19.02)	24.17 (14.81)	−2.98**	−2.64**	−1.19
Alpha	4.89 (13.43)	6.26 (4.69)	8.22 (20.47)	−0.18	−1.68	−2.18*
DAR	2.02 (4.07)	5.16 (3.86)	2.49 (3.97)	−2.21*	−0.76	−2.07*
pdBSI	0.2 (0.06)	0.22 (0.07)	0.28 (0.11)	−1.67	−2.81**	−2.11*

Median and Interquartile Range (IQR) values are described. Mann Whitney coefficient between groups. *p < 0.05; **p < 0.01.