Table 4.

Correlation analyses.

Variables	YKL-40		FMD
	r	P	r	P
Age	0.174	0.024	–0.045	0.575
Body mass index	–0.038	0.623	–0.023	0.771
Hemoglobin (g/dL)	–0.478
<0.001	0.291	<0.001
Albumin (g/dL)	–0.429	<0.001	0.266	<0.001
Creatinine (mg/dL)	0.610	<0.001	–0.592	<0.001
eGFR (MDRD)	–0.674	<0.001	0.597	<0.001
HDL (mg/dL)	–0.366	<0.001	0.180	0.027
CRP (mg/L)	0.358	<0.001	–0.170	0.038
Glucose (mg/dL)	0.032	0.669	–0.249	0.661
Uric acid (mg/dL)	0.220	0.004	–0.237	0.002
YKL-40 (ng/mL)	-	-	–0.471	<0.001
FMD (%)	–0.471	<0.001	-	-

BP: Blood pressure, HDL: High-density lipoprotein, CRP: C-reactive protein, FMD: flow-mediated dilatation.