What does this article add?
Fasting blood sugar, hbA1C, serum albumin, and proteinuria did not differ in the differential diagnosis of diabetic nephropathy and primary glomerulonephritis, but diabetic complications, especially diabetic retinopathy, neuropathy, hypertension, coronary artery disease, heart failure were more characteristic in differentiation role diabetic nephropathy from primary glomerulonephritis.