Objective:To study the urine trace albumin(mALB),serum cystatin C(CysC)and beta 2-microglobulin(beta 2-MG)joint detection value in the early diagnosis of diabetic nephropathy.Method:According to the urine trace albumin excretion rate,115 cases of patients with type 2DM diabetes were divided into without kidney disease clinical group,the early diabetic nephropathy group and diabetes nephropathy group,and 45 cases of medical health persons were healthy controls.The results of urinary mALB,serum CysC and beta ...