Table 5. MNSQ values, item and person reliability indices of LupusQoL used in Chinese patients with SLE (LupusQoL-China).

Domains	Mean outfit MNSQ (SD)	Item reliability index	Person reliability index
Physical health	0.93(0.26)	0.94	0.86
Pain	0.75(0.18)	0.42	0.52
Planning	1.11(0.30)	0.98	0.89
Intimate relationship	1.09(0.34)	0.94	0.65
Burden to others	1.10(0.21)	0.98	0.80
Emotional health	1.07(0.25)	0.96	0.82
Body image	0.93(0.26)	0.90	0.71
Fatigue	1.06(0.32)	0.93	0.88

MNSQ values: Mean square outfit values, the item was considered a misfit one when its absolute value of mean square outfits >2 or <0.6.