Depression-, Pain-, and Health-Related Quality of Life in Patients with Systemic Lupus Erythematosus

Table 5

Factors associated with the physical and mental component scores, PCS and MCS, based on multiple linear regression.

	Variables	coefficient	Std. error	95% CI	value
PCS	Pain severity	-2.245	0.375	-2.991, -1.499	<0.0001
MCS with BDI II in the model	BDI II	-0.657	0.072	-0.801, -0.514	<0.0001
	Cognitive function	0.024	0.010	0.004, 0.044	0.020
MCS without BDI II in the model	Pain severity	-1.270	0.481	-2.225, -0.315	0.010
	SLEDAI-2K	-0.655	0.231	-1.114, -0.196	0.006
	Cognitive function	0.032	0.013	0.006, 0.059	0.018