From: Serum levels of autoantibodies against C-reactive protein correlate with renal disease activity and response to therapy in lupus nephritis
BILAG response <2
BILAG response ≥ 2
C1q low
Anti-CRP-positive
8
2
Anti-CRP-negative
5
Relative risk
1.60 (0.80 to 3.20)
C1q normal
6
1
3
3.14 (1.14 to 8.64)