Table 4

ORs comparing HLA allele frequencies in axial PsA (n=255) versus PsC (n=334) using logistic regression analysis

Univariate analysisMultivariate analysis (reduced model)
AlleleOR95% CIp ValueOR95% CIp Value
HLA-B*081.751.17 to 2.640.0072.461.59 to 3.79<0.0001
HLA-B*277.344.09 to 13.23<0.00019.094.96 to 16.64<0.0001
HLA-B*381.801.09 to 2.970.022.551.50 to 4.340.0006
HLA-B*391.860.96 to 3.620.072.511.25 to 5.010.009
  • HLA, human leucocyte antigen; PsA, psoriatic arthritis; PsC, psoriasis.