Table 3.

Prevalence of anti-GBM antibodies specific to various antigensa

Antigen and EpitopeANCA-Positive Patients (%; n = 63)ANCA-Negative Patients (%; n = 138)P
tNC1100100
α1(IV)NC154.049.30.537
α3(IV)NC1100100
α4(IV)NC166.760.60.405
α5(IV)NC171.455.6b0.033
EA95.296.50.672
EB87.393.00.187
S210098.60.344
  • a GBM, glomerular basement membrane.

  • b P < 0.05.