Table 2.

Correlations of each variable with urinary pteridines, ABI and d-dimer in univariable analysis.

	Pteridines/cr	ABI	d-dimer
Pteridine/cr	–	−0.164∗∗	0.157∗
15-isoprostane F2t/cr	0.381∗∗	−0.069	−0.044
Age	−0.011	−0.233∗∗	0.362∗∗
Gender	0.132∗	−0.254∗∗	0.074
Smoking	0.141∗	−0.047	−0.054
Alcohol	−0.163∗∗	0.148∗	−0.147∗
Insulin therapy	0.115	−0.041	0.032
Anticoagulation therapy	0.078	0.089	−0.023
BMI	−0.158∗	0.104	0.099
Systolic BP	0.039	−0.188∗∗	0.067
Diastolic BP	−0.004	0.171∗∗	−0.068
Fasting blood sugar	0.017	0.004	0.047
Hemoglobin A1c	−0.042	0.055	0.012
HDL cholesterol	−0.028	0.027	−0.381∗∗
LDL cholesterol	−0.031	0.015	0.108
Triglycerides	0.036	0.006	0.426∗∗
eGFR	0.033	0.095	−0.197∗∗
Urinary albumin/cr	0.183∗∗	−0.127∗	0.096

Spearman's rank correlation coefficients of each variable with urinary pteridines, ABI and d-dimer are shown. Gender, women vs. men (men as a reference); cr, creatinine; BP, blood pressure. Asterisks denote significant correlation coefficients (∗, p < 0.05; ∗∗, p < 0.01).