CD79A and hypertensive disorder: There were significant differences in hypertension, ISS stage, hemoglobin, BUN, creatinine, GFR, LDH, and β2‐microglobulin between the two groups, while no differences in age, sex, diabetes, light chain isotype, IgA isotype, leukocyte, thrombocyte, globulin, albumin, alkaline phosphatase, calcium, or myeloma cell.