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Table 4 Analysis of interaction between GSTM1 genotype and HLA-DRB1 shared epitope carrier status in comparison of anti-CCP + with anti-CCP rheumatoid arthritis patients a

From: Lack of replication of interactions between polymorphisms in rheumatoid arthritis susceptibility: case–control study

GSTM1/SE Anti-CCP+/anti-CCP(n) OR (95% CI)
Native/SE 84/79 Reference
Null/SE 90/74 1.14 (1.77 to 0.74)
Native/SE+ 130/54 2.26 (1.46 to 3.52)
Null/SE+ 148/62 2.25 (1.46 to 3.44)
  1. aCCP, Cyclic citrullinated peptide; GSTM1, Glutathione S-transferase Mu 1; GSTM1 native, Carrier native; GSTM1 null, Homozygote null; SE, Shared epitope.