Table 1: Laboratory indices of glucose metabolism and related parameters in the study population disaggregated by quartiles of serum uric acid level.

Group Q1Group Q2Group Q3Group Q4 value

n (%)51 (24.9)50 (24.4)53 (25.8)51 (24.9)
Age (years)54.59 ± 10.6950.68 ± 11.8251.94 ± 11.6545.86 ± 11.070.002
BMI (kg/m2)23.25 ± 3.0424.56 ± 2.4825.09 ± 3.0927.57 ± 4.17<0.001
Smoking (%)27 (11.7)23 (11.2)16 (7.8)23 (11.2)
Waist (cm)87.1188.9290.4093.00<0.001
Systolic BP (mmHg)129.00129.09122.75130.000.157
Diastolic BP (mmHg)79.6979.2979.4681.250.122
HbA1c (%)10.7710.329.548.300.003
FBG (mmol/L)8.708.238.097.910.220
PBG (mmol/L)14.99 ± 2.8315.31 ± 2.9515.07 ± 3.4815.44 ± 3.950.899
BUN (mmol/L)5.414.925.394.920.100
Cr (mg/dL)63.29 ± 10.8766.44 ± 10.1915.28 ± 3.4915.22 ± 4.230.002
SUA (μmol/L)228.67281.00335.75430.00<0.001
HOMA-IR1.882.363.203.41<0.001

Data expressed as mean ± standard deviation or median. BMI: body mass index; BP: blood pressure; HbA1c: glycated hemoglobin; FBG: fasting blood-glucose; PBG: postprandial blood glucose; BUN: urea nitrogen; Cr: creatinine; SUA: serum uric acid; HOMA-IR: homeostasis model assessment-insulin resistance index.