Table 4.

Life-quality items, disturbed by pain and satisfaction with the pain therapy, reported on the day of discharge. Life quality items data presented as per cent (absolute number of patients) and analysed using χ²-test; data of satisfaction with the pain therapy, taken on numeric rating scale (5—very bad; 1—excellent) presented as mean (lower and upper 95% confidence intervals) and analysed using Mann–Whitney test; n.s., not statistically significant

	Survey 1	Survey 2	P
Pain disturbed:	n=254	n=245
General activity	84 (213)	72 (177)	0.01
Mood	32 (81)	29 (71)	n.s.
Sleep	65 (165)	47 (116)	<0.0001
Relations with other people	13 (33)	12 (30)	n.s.
Enjoyment of life	55 (140)	39 (96)	0.001
Satisfaction with pain therapy	n=269	n=251
Day after surgery	1.8 (1.7–1.9)	1.6 (1.5–1.8)	0.001
Day of discharge	1.8 (1.7–1.9)	1.5 (1.4–1.6)	0.005