Table 1.

Baseline characteristics

Age (years)	52.6 ± 15.1
Men	144 (56%)
Primary nephropathy
diabetic nephropathy	20.2%
glomerulonephritis	13.6%
renovascular disease	10%
ADPKD	5.1%
Davies comorbidity index
low	35.5%
high	11.7%
Serum albumin (g/L)	33.9 ± 5.7
CRP (mg/L)	3 (2.4 to 8.9)
RRF (ml/min per 1.73 m2)	3.9 (2.4 to 5.6)
Proteinuria (g/d)	1.2 (0.5 to 2.5)

Values are expressed as means and SD or median and interquartile range (25th to 75th percentile). ADPKD, autosomal dominant polycystic kidney disease.