Table 3.

Proportion of participants reporting clinically important change

Construct	Category
	Decline* n (%)	No change n (%)	Improvement† n (%)
Health-Related Quality of Life (AQoL)
Overall sample	67 (53)	23 (18)	37 (29)
Total hip replacement	35 (56)	12 (19)	16 (25)
Total knee replacement	32 (50)	11 (17)	21 (33)
Health status (WOMAC Index)
Overall sample	30 (25)	61 (51)	28 (24)
Total hip replacement	16 (26)	31 (51)	14 (23)
Total knee replacement	14 (24)	30 (52)	14 (24)

*Decrease of ≥0.04 units for AQoL instrument; increase of ≥9.6 units for WOMAC Index

^†Increase of ≥0.04 units for AQoL; decrease of ≥8.2 units for WOMAC Index