TABLE 5.

Statistics and Questionnaires.

	Repeated measures ANOVA questionnaires – psychometric scales [z]†		Mean† ± SD	Post hoc (LSD; p ≤ 05)	F	P	${\mathrm{\eta }}_{\text{p}}^2$
Time course	Well-being (n = 13) (Hobi, 1985)	Pre-operative (1)‡ Peri-operativ (2) Rehabilitation (3) Long-term recovery (4)	−0,426 ± 0,780 −0,771 ± 0,879 −0,155 ± 0,852 0,033 ± 0,686	1 vs. 4 2 vs. 3, 4	4,201	0.027∗	0,276
	Complaints (n = 14) (Zerssen, 1976)	Pre-operative (1) Peri-operativ (2) Rehabilitation (3) Long-Term recovery (4)	1,094 ± 1,147 1,094 ± 1,109 0,811 ± 1,313 0,753 ± 1,278		1,949	0.139	0,140
	Sleep recovery (n = 13) (Grote, 2009)	Pre-operative (1) Peri-operative (2) Rehabilitation (3) Long-Term recovery (4)	−0,253 ± 0,995 −0,802 ± 1,277 −0,258 ± 1,164 −0,018 ± 1,085	2 vs. 4	2,391	0.086(*)	0,179

^†Normalized with healthy controls [z-values]. ^‡Correlation with vagal activity: r = 0.387, p = 0.155. MANOVA (n = 12) - time: F = 1.846, p-0.071^(*), ${\mathrm{\eta }}_{\text{p}}^2$ = 0.156 (Pillai). Marked levels of significance: ^(*)p < 0.1 and ^∗p < 0.05.