Table 3. Discriminant validity of LupusQoL used in Chinese patients with SLE (LupusQoL-China) with disease activity as the external anchor.

	SLEDAI
Domains	0–4	>4	P value
Physical health	87.43(13.17)	57.77(25.70)	0.000
Pain	87.24(16.18)	57.58(27.59)	0.000
Planning	79.86(21.29)	53.03(28.01)	0.000
Intimate relationship	62.34(31.06)	37.93(30.16)	0.000
Burden to others	68.19(26.65)	49.49(31.73)	0.002
Emotional health	78.05(20.31)	56.19(31.27)	0.000
Body image	75.34(18.08)	72.12(15.61)	0.113
Fatigue	83.00(16.53)	68.18(21.78)	0.000

SLEDAI: SLE Disease Activity Index.