Table 5. Correlation coefficients between EEG parameters and questionnaire data.

	BSI obs.-comp.	QLS generic	QLS health	PPS affective
Frequency Indices
Replic. CoG	−.04	.13	.24	−.09
Replic. Peak Freq.	−.30	.44**	.42*	−.36*
CSD CoG	−.23	.28	.38*	−.19
CSD Peak Freq.	−.45**	.39*	.48**	−.36*
Power Indices
Repl. Overall Power	.25	−.16	−.20	.22
Repl. Peak Power	.20	−.17	−.21	.16
CSD Overall Power	.22	−.14	−.15	.16
CSD Peak Power	.20	−.18	−.20	.19

Only scales with significant correlations are reported.

*p<.05,

**p<.01. In the BSI and PPS higher values indicate more symptoms or stronger pain perception. In the QLS higher values indicate larger life satisfaction.