Table 2

ORs comparing HLA allele frequencies in PsA (n=710) versus PsC (n=334) using logistic regression analysis

Univariate analysisMultivariate analysis (reduced model)
AlleleOR95% CIp ValueOR95% CIp Value
HLA-B*081.531.08 to 2.150.0151.611.12 to 2.300.009
HLA-B*274.992.89 to 8.66<0.00015.172.95 to 9.04<0.0001
HLA-B*381.490.97 to 2.290.0671.651.06 to 2.570.026
HLA-B*570.580.42 to 0.820.001
HLA-C*012.541.44 to 1.510.001
HLA-C*022.411.44 to 2.020.0008
HLA-C*060.480.37 to 0.63<0.00010.580.44 to 0.770.0002
HLA-C*071.351.03 to 1.750.027
HLA-C*121.290.92 to 1.820.13
HLA-DRB1*070.620.50 to 0.800.0004
  • HLA, human leucocyte antigen; PsA, psoriatic arthritis; PsC, psoriasis.