Table 2.

Correlations of urinary smad3 levels with other variables, unadjusted and after adjusting for age in total 327 subjects

Variables	Urinary smad3
	Pearson correlation		Pearson correlation adjusted for age
	r	p	r	p
Age	0.218	<0.001
SBP	0.164	0.003	0.042	0.530
FPG	0.119	0.040	0.037	0.575
2hPG	0.124	0.037	0.109	0.100
Insulin	0.205	0.001	0.088	1.182
C-peptide	0.163	0.010	0.083	0.212
HbA1c	0.153	0.006	0.167	0.011
eGFR	−0.267	<0.001	−0.252	<0.001
Bun	0.360	<0.001	0.184	0.005
Creatinine	0.309	<0.001	0.187	0.005
UACR	0.553	<0.001	0.473	<0.001
TC	0.193	0.001	0.214	0.001
LDL-c	0.195	0.001	0.134	0.043

SBP systolic blood pressure, HbA1c hemoglobin A1c, FPG fasting plasma glucose, 2hPG, 2-h plasma glucose concentration; TC, total cholesterol; LDL-c, low density lipoprotein cholesterol