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Table 2 Circulating complement profile of patients with active AAV

From: Plasma complement factor H is associated with disease activity of patients with ANCA-associated vasculitis

  Value Reference value [7]
Serum C3 (mg/ml) (mean ± SD) 0.89 ± 0.27 >0.85
Plasma Bb (μg/ml) (median (IQR)) 1.17 (0.70, 1.86) 0.63 ± 0.26
Plasma C3a (ng/ml) (median (IQR)) 1872.10 (464.20, 2354.95) 100.87 ± 70.55
Plasma C5a (ng/ml) (median (IQR)) 32.77 (10.97, 72.66) 8.19 ± 5.44
Plasma Sc5b-9 (ng/ml) (mean ± SD) 894.71 ± 357.48 360.82 ± 164.51
  1. AAV anti-neutrophil cytoplasmic antibody-associated vasculitis, IQR inter-quartile range, SD standard deviation