Table 1.

Patient characteristics

	Control (N = 20)	CKD (N = 19)	Transplant (N = 10)
Age (yrs)	13.7±3.1	14.4±2.9	14.5±2.9
Male (%)	12 (60)	11 (58)	5 (50)
Race/Ethnicity
Caucasian	16 (80)	13 (68.4)	7 (70)
African American	4 (20)	1 (5.3)	2 (20)
Asian		4 (21)	1 (10)
Aboriginal		1 (5.3)
Primary renal disease
Congenital/Hereditary	–	11 (58)	5 (50)
Posterior urethral valves		4	1
Hypodysplasia		3	2
Polycystic kidney disease		2	2
Nephronophthisis		1
Alport		1
Glomerulonephritis	–	8 (42)	5 (50)
Focal segmental glomerulosclerosis		3	1
ANCA vasculitis		1	1
Lupus nephritis			2
IgA nephropathy		1
Immune complex glomerulonephritis		3	1