He had severe anemia (Hb = 4 g/dl), leukopenia (1.8 x109/L), elevated CRP (89 mg/dl), elevated erythrocyte sedimentation rate (ESR = 42 mm/hr), and a normalizing urine protein to creatinine ratio (0.041 g/mmol). Here, GSTM1 is linked to anemia (phenotype).