Among anemia patients with different therapeutic outcomes, there were differences in levels of urine protein, NAG, RBP, blood WBC, TNC, RBC, Hb, HCT, MCH, MCHC, total protein, Alb, prealbumin, BUN, cystatin C at baseline and in the proportions of sex, anti-PLA2R positive, tacrolimus, cyclosporin A, cyclophosphamide, furosemide, ferrous succinate and ESAs (Table 3). Here, GSTM1 is linked to anemia (phenotype).