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Table 3 Association of anti-citrullinated fibronectin antibodies with smoking and SE alleles

From: Anti-citrullinated fibronectin antibodies in rheumatoid arthritis are associated with human leukocyte antigen-DRB1shared epitope alleles

   Anti-cit FN neg. (%)d Anti-cit FN pos. (%)d OR (95% CI)
Smoking a - 63 (46.7) 40 (38.1) 1.42 (0.85 to 2.39)
  + 72 (53.3) 65 (61.9)  
HLA SE alleles b - 39 (26.5) 57 (14.6) 2.11 (1.13 to 3.92)
  + 108 (73.5) 213 (85.4)  
  1. a Based upon information obtained from 240 RA patients. b Based upon information obtained from 270 RA patients. 95% CI, 95% confidence interval; OR, odds ratio