GSTM1 and arteriosclerosis: Age, gender, serum creatinine, eGFR, prevalence of eGFR < 60 mL/min/1.73m2, prevalence of micro/macroalbuminuria (mild/severe proteinuria), prevalence of macroalbuminuria (severe proteinuria), HbA1c, systolic blood pressure, IFTA score, diffuse lesion score, prevalence of nodular lesion, prevalence of exudative lesion, prevalence of mesangiolysis, arteriolar hyalinosis score, and arteriosclerosis score were significantly different between the three subgroups of Hb levels.