In RA, the AUC of EAF1, SDCBP, RNF19B is 0.978(95%CI 0.961-0.995), 0.6122(95%CI 0.523-0.702) and 0.942(95%CI 0.909-0.975), respectively. This evidence concerns the gene RNF19B and rheumatoid arthritis.