CD79A and rheumatoid arthritis: There was no significant difference in ESR (Z=−1.412, p>0.05), IgA (Z=−0.091, p>0.05), WBC (Z=−1.39, p>0.05), RBC (Z=−1.123, p>0.05), PLT (Z=−1.942, p>0.05), LYM (Z=−1.38, p>0.05), MO (Z=−0.097, p>0.05), NE (Z=−1.861, p>0.05), PLR (Z=−0.372, p>0.05), LMR (Z=−1.496, p>0.05), NLR (Z=−1.928, p>0.05), SII (Z=−0.479, p>0.05), BUN (Z=−1.728, p>0.05) and Cr (Z=−1.278, p>0.05) between group RA-N-DM and RA-DM (Table 2).