Table 1.

Subject background

	CKD	Non-CKD	p value	p value adjusted for age and sex
Number of subjects	168	1,769
Age, years	063.7	0,059.0	<0.0001
Sex (male/female), %	059.8/40.2	0,051.5/48.5	<0.05
Smoking habit, %	018.3	0,017.2	n.s.
Alcohol habit, %	039.1	0,036.3	n.s.
Education, years	012.1	0,012.5	n.s.
Hypertension, %	075.7	0,064.0	<0.002	<0.02
Diabetes mellitus, %	013.6	0,0 8.8	<0.04	n.s.
Dyslipidemia, %	032.5	0,024.2	<0.02	<0.005

n.s. = Not significant.