Table 2.

PDC values compassion for different frequency ranges in HCs and SAD groups.

Frequency	Group	Mean	SD	F	p-value	${\eta }_{{}^2}$
Delta	Severe	0.121	0.055	1.182	0.320	0.030
	Moderate	0.105	0.041
	Mild	0.104	0.039
	Control	0.105	0.016
Theta	Severe	0.220	0.102	2.699	0.018*	0.105
	Moderate	0.157	0.092
	Mild	0.172	0.153
	Control	0.133	0.130
Alpha	Severe	0.144	0.077	3.488	0.01*	0.130
	Moderate	0.120	0.043
	Mild	0.109	0.041
	Control	0.110	0.014
Beta	Severe	0.135	0.066	2.660	0.051	0.063
	Moderate	0.106	0.041
	Mild	0.110	0.045
	Control	0.109	0.0149

Significant differences were found in theta and alpha bands only (ANOVA test, p < 0.05). The asterisk indicates a statistical significance between the means.