Table 1.

EQ-5D-3L quality of life at each measurement and converted into quality-adjusted life-years (QALYs) (missing data imputed)

Quality of life	RSA (SD) n=58	THA (SD) n=64	Difference (95% CI)
Baseline	0.308 (0.338)	0.356 (0.335)	−0.048 (−0.168 to 0.073)
3 months	0.722 (0.229)	0.698 (0.284)	0.023 (−0.711 to 0.118)
6 months	0.796 (0.244)	0.747 (0.287)	0.050 (−0.046 to 0.146)
12 months	0.795 (0.282)	0.727 (0.319)	0.067 (−0.042 to 0.177)
QALYs (n=118)	0.716 (0.216)	0.683 (0.252)	0.033 (−0.053 to 0.120)
QALYs* (n=122)	0.713 (0.216)	0.681 (0.251)	0.032 (−0.054 to 0.119)

*With imputed data.

RSA, resurfacing arthroplasty; THA, total hip arthroplasty.