Table 9.

Pre-operative and post-operative self-rated quality of the respondents’ life

	Median (interquartile range)		p*
	Pre-operative	Post-operative
Mobility	3 (3 - 4)	2 (1.75 - 3)	<0.001
Self-care	3 (2 - 3)	2 (1 - 3)	<0.001
Usual activities	3 (2 - 4)	2 (2 - 3)	<0.001
Pain and discomfort	3 (2 - 4)	2 (1 - 3)	<0.001
Anxiety and depression	2 (1 - 3)	1 (1 - 2)	<0.001
Self-rating of health (today)	67.5 (58.75 - 70)	80 (78.75 - 90)	<0.001

^*Wilcoxon’s test.