Table 2

Baseline characteristics of the renal failure and control groups

	Control	Renal failure
Number	26	80
Age (years)	61 (51 to 72)	65 (56 to 71)
Sex (M:F)	17:9	58:22
Smoking history	13	49
Family history	8	30
Hypertension	12	72^2-165
Hypercholesterolaemia	2	26^2-160
BMI (kg/m²)	25.8 (24.6 to 29.1)	27.2 (24.3 to 29.9)
Creatinine (μmol/l)	96 (90 to 107)	245 (188 to 325)^2-165
GFR (ml/min)	78.3 (62.3 to 93.1)	28.9 (20.3 to 37.6)^2-165
Baseline diameter (cm)	0.48 (0.39 to 0.52)	0.51 (0.45 to 0.56)^2-150
Increase in velocity (%)	208 (176 to 229)	196 (169 to 218)

Continuous variables are expressed as median (interquartile range). Significance was assessed using χ² and Mann-Whitney tests as appropriate.
↵2-150 p < 0.05;
↵2-160 p < 0.01;
↵2-165 p < 0.001.
BMI, body mass index; GFR, glomerular filtration rate.