Alterations of Renal Function in Patients with Diabetic Kidney Disease: A BOLD and DTI Study

Table 3

Staging of DKD and NDKD patients based on renal biopsy.

Stage of DKD	DKD (n = 21)	NDKD (n = 10)
Stage I: Glomerular hyperfiltration	N = 2	Diabetic patients with other nephropathy (membranous nephropathy, N = 2, hypertensive renal impairment N = 3, glomerulonephritis disease, N = 3, tubulointerstitial disease, N = 2)
Stage II: Silent stage	N = 4
Stage III: Incipient nephrology	N = 12
Stage IV: Overt nephrology	N = 3

Legends: The final outcome for staging of patients with DKD took into account both albuminuria and pathological findings. None of the 21 DKD patients had other etiologies of CKD.