Table 2. Spearman’s correlation of serum RBP4 with clinical parameters in patients with SCH.

Variables	Without CAD (n = 51)	P value	With CAD (n = 148)	P value
Age	0.112	0.433	0.125	0.131
BMI	0.357	0.010	0.168	0.042
SBP	0.019	0.896	0.089	0.282
DBP	0.012	0.933	0.018	0.829
TC	0.039	0.788	0.250	0.002
TG	0.022	0.878	0.079	0.342
LDL-C	0.079	0.582	0.276	0.001
HDL-C	−0.095	0.506	0.014	0.863
ApoA	0.001	0.999	−0.048	0.561
FBG	0.017	0.903	0.143	0.084
ALT	0.227	0.109	−0.054	0.517
AST	0.144	0.314	−0.077	0.349
Cr	0.061	0.671	0.085	0.305
UA	0.045	0.753	0.094	0.257

SCH, subclinical hypothyroidism; CAD, coronary artery disease; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; TC, total cholesterol; TG, triglyceride; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; ApoA, Apolipoprotein A; FBG, fasting blood glucose; ALT, alanine aminotransferase; AST, aspartate aminotransferase; Cr, creatine; UA, uric acid; RBP4, retinol-binding protein 4.