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Table 2 Renal BILAG response and the C1q/anti-CRP status demonstrated

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 5
   Relative risk 1.60 (0.80 to 3.20)  
C1q normal   
   Anti-CRP-positive 6 1
   Anti-CRP-negative 3 8
   Relative risk 3.14 (1.14 to 8.64)  
  1. Relative risks presented as chi-square (95% confidence interval). BILAG, British Isles Lupus Assessment Group; CRP, C-reactive protein.