Table 3. Multivariate linear regression of CRP, ESR, age (independent variable) and PCSK9 (dependent variable) in SLE patients.

Model	Unstandardized coefficients			Standardized coefficients		P value
	B	Std. error		Beta	t
Constant	280.339	72.128			3.887	<0.001
CRP	4.040	0.972		0.408	4.158	<0.001
ESR	1.028	0.974		0.103	1.055	0.294
Age	2.931	1.767		0.159	1.659	0.101

SLE, systemic lupus erythematosus; PCSK9, proprotein convertase subtilisin/kexin type 9; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate.