Antibodies against C1q Are a Valuable Serological Marker for Identification of Systemic Lupus Erythematosus Patients with Active Lupus Nephritis

Table 5

Correlation coefficients between anti-C1q antibodies, anti-dsDNA antibodies, C3, C4, and SLEDAI score.

	Anti-C1q	Anti-dsDNA	C3	C4	SLEDAI; score
Anti-C1q	1.000
Anti-dsDNA	0.796	1.000
C3	−0.563	−0.627	1.000
C4	−0.532	−0.416	0.627	1.000
SLEDAI score	0.584	0.475	−0.311	−0.378	1.000