Table 6.

Pre- and postoperative EQ5D index scores in different age groups for TKR and UKR groups

Age group	TKR OKS			UKR OKS			6-months difference
	preoperative	at 6 month	diff.	preoperative	at 6 month	diff.
< 55	0.375 (0.322)	0.678 (0.297)	0.303	0.397 (0.318)	0.701 (0.298)	0.304	0.023
55–64	0.450 (0.303)	0.727 (0.260)	0.277	0.454 (0.301)	0.756 (0.259)	0.302	0.029
65–74	0.506 (0.283)	0.789 (0.218)	0.283	0.506 (0.279)	0.817 (0.216)	0.311	0.028
≥ 75	0.513 (0.276)	0.783 (0.216)	0.270	0.504 (0.281)	0.808 (0.211)	0.304	0.025