Table 1. Baseline characteristics of study population and the two groups according to SUA levels.

	Total (n = 276)	Group 1	Group 2	P value
Age, yrs	71.2 ± 7.8	70.75 ± 8.45	71.6 ± 7.1	NS
Men/women	217/59	98/40	119/19	0.002
BMI, kg/m2	28.4 ± 3.9	28.0 ± 3.8	28.8 ± 3.9	NS
Waist circumference, cm	101 ± 10.5	99 ± 10	103 ± 11	< 0.001
Waist-hip ratio	0.97 ± 0.07	0.95 ± 0.07	0.98 ± 0.07	0.001
SBP, mmHg	133 ± 17	133 ± 17	133 ± 17	NS
DBP, mmHg	79 ±6	80 ± 6	79 ± 6	NS
Pulse pressure, mmHg	54 ± 15	54 ± 16	54 ± 15	NS
Fasting glucose, mmol/L	6.56 ± 2.12	6.57 ± 1.32	6.56 ± 2.01	NS
HOMAir	4.99 (0.34–125.29)	4.08 (0.34–62.28)	5.94 (0.60–125.29)	0.006
Triglycerides, mg/dL	118 (40-374)	108 (51–305)	128 (40-374)	0.006
Cholesterol, mg/dL	164 ± 38	162 ± 38	166 ± 37	NS
HDL-cholesterol, mg/dL	48 ± 13	50 ± 12	47 ± 13	NS
LDL-cholesterol, mg/dL	92 ± 32	91 ± 32	94 ± 32	NS
Serum uric acid, mg/dL	5.47 ± 1.43	4.34 ± 0.69	6.60 ± 1.03	< 0.001
Fibrinogen, mg/dL	349 ± 71	348 ± 71	353 ± 72	NS
hs-CRP, mg/dL	0.69 (0.20–33)	0.77 (0.20–33)	0.61 (0.20–4.00)	NS
Serum creatine, mg/dL	1.04 ± 0.54	1.01 ± 0.32	1.17 ± 0.67	< 0.001
eGFR, mL/min per 1.73 m2	80.3 ± 26.1	87.7 ± 23.7	72.9 ± 26.3	< 0.001
Microalbuminuria, µg/min	99.1 (0.5–2250)	75.8 (2–2250)	122.4 (0.5–1230)	0.002
RRI	0.68 ± 0.07	0.7 ± 0.08	0.679 ± 0.06	NS
ABI	0.94 ± 0.22	0.97 ± 0.27	0.91 ± 0.13	0.068
Augmentation index, %	23.1 ± 7.8	22.7 ± 6.9	23.6 ± 8.6	NS
PWV, m/s	14.9 ± 5.9	15.3 ± 6.8	14.5 ± 4.7	NS
Ventricular mass index, g/m2	76.9 ± 20.7	76.6 ± 20.5	77.2 ± 20.9	NS

Data are presented as means ± SD or mean (range) unless other indicated. ABI: ankle brachial index; BMI: Body Mass Index; DBP: diastolic blood pressure; eGFR: glomerular filtration rate; HOMAir: homeostatic model assessment-insulin resistance; hs-CRP: high sensitivity C reactive protein; NS: not significant; PWV: pulse wave velocity; RRI: renal resistance index; SBP: systolic blood pressure; SUA: serum acid uric.