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Table 2 MHC2TA -168A>G genotype and clinical characteristics of Austrian rheumatoid arthritis patients

From: The MHC2TA-168A>G gene polymorphism is not associated with rheumatoid arthritis in Austrian patients

  AA genotype AG genotype GG genotype P value
     Dominant, AA:AG + GG genotypes Recessive, AA + AG:GG genotypes
Rheumatoid factor (n (%))     0.23 0.27
   Positive 136 107 14   
   Negative 42 42 8   
Anti-cyclic-citrullinated peptide (n (%))     0.89 0.38
   Positive 61 57 7   
   Negative 32 29 6   
Stage (n (%))     0.15 0.40
   1 37 40 7   
   >1 138 107 15   
Age at onset of rheumatoid arthritis (years ± SD) 50 ± 16 50 ± 16 52 ± 12 0.90 0.50
  1. SD, standard deviation. Data for rheumatoid factor were available from 349 patients, data for the clinical stage of the disease from 344 patients and data for the anti-cyclic-citrullinated peptide were available from 192 patients. The stage of disease is defined by the radiologic stage (Steinbroker).