Table 1.

Demographic characteristics and renal function of three study groups

	AVG_21	AVG_49	AVG_79
n	13	12	12
M/F	7/6	6/6	6/6
Age (years)	21 ± 2	49 ± 3	79 ± 6
GFR (ml/min/1.73 m2)	112 ± 9	100 ± 39	83 ± 13
Serum creatinine (μmol/l)	68 ± 9	69 ± 19	70 ± 15
CRP	2 ± 1	2 ± 1	2 ± 2