. Author manuscript; available in PMC: 2016 Aug 1.

Published in final edited form as: Lupus. 2015 Jan 16;24(9):900–908. doi: 10.1177/0961203314566635

Table 3.

Health-Related Quality of Life Assessment Outcomes

	THA			TKA

	SLE N = 54	OA N = 108	P-Value	SLE N = 45	OA N = 90	P-Value
Pre-operative WOMAC Pain^b	42.5 ± 19.9	52.7 ± 17.3	0.01^*	42.6 ± 17.3	48.4 ± 15.9	0.14
Two-Year WOMAC^b Pain	91.1 ± 12.4	92.1 ± 14.7	0.77	85.7 ± 14.6	88.6 ± 15.4	0.50
Pre-operative WOMAC Function^b	38.8 ± 21.0	48.0 ± 19.2	0.045^*	42.1 ± 17.0	46.8 ± 18.0	0.30
Two-Year WOMAC Function^b	86.4 ± 17.4	90.8 ± 15.4	0.30	83.7 ± 16.3	85.1 ± 17.4	0.77
Pre-operative LEAS^c	8.0 ± 3.0	9.4 ± 3.0	0.03	8.4 ± 2.3	9.4 ± 3.1	0.14
Two-Year LEAS^c	10.8 ± 3.6	12.7 ± 3.1	0.02	10.4 ± 2.5	11.0 ± 3.1	0.42
Pre-Operative EQ-5D^d	0.5 ± 0.2	0.6 ± 0.2	0.16	0.6 ± 0.2	0.6 ± 0.2	0.30
Two-Year EQ-5D^d	0.8 ± 0.2	0.9 ± 0.2	0.17	0.8 ± 0.1	0.9 ± 0.2	0.59
Pre-operative SF-36 PCS^e	25.0 ± 6.4	31.7 ± 8.6	0.0001^*	27.3 ± 6.7	33.4 ± 8.1	0.001^*
Two-Year SF-36 PCS^e	40.5 ± 12.1	48.7 ± 10.6	0.01^*	40.2.0 ± 7.1	47.2 ± 10.7	0.02^*
Pre-operative SF-36 MCS^e	45.2 ± 9.4	46.2 ± 13.6	0.71	48.1 ± 13.3	48.7 ± 11.6	0.83
Two-Year SF-36 MCS^e	51.4 ± 9.9	50.7 ± 11.5	0.80	54.5 ± 10.2	53.3 ± 7.8	0.62

Statistically significant

Western Ontario and McMaster Universitites Osteoarthritis Index (WOMAC), scale of 1–100 with a difference of 10 considered a clinically meaningful change in arthritis pain, stiffness, and function

Lower Extremity Activity Scale (LEAS), comprised of 12 questions assessing different levels of activity

Euro-Qol 5D (EQ-5D), assesses the subjective value placed on one’s health with a score of 1 indicating perfect health and 0 indicating death

Short Form-36 (SF-36) Physical Component Summary Score (PCS) and Mental Component Summary Score (MCS), composite subscales of the generic validated patient-reported measure of general health and well-being, a difference of 5 points is considered clinically meaningful