Table 4.

Cronbach’s alpha of WORC. Cronbach’s alpha calculated for the total score and every domain, also pre- and postoperatively and combined (merging the preop. and postop. material)

	WORC	WORC	WORC
	preop	postp	combined
Total	0.93	0.98	0.97
Physical	0.83	0.92	0.90
Sport	0.69	0.91	0.89
Work	0.83	0.95	0.93
Lifestyle	0.83	0.92	0.91
Emotions	0.89	0.95	0.93