Table 2 Linear regression analyses of clinical variables with FE_UA (%) in the pooled group of gout patients

Age, per 10 years

0.359 (0.021)^**

0.119 (0.039)^*

BMI, kg/m²

− 0.032 (0.009)^**

0.007 (0.009)

SU, per 60 μmol/L

− 0.471 (0.015)^**

− 0.321 (0.023)^**

Glu, mmol/L

0.324 (0.031)^**

0.267 (0.040)^**

TG, mmol/L

− 0.040 (0.017)^*

− 0.003 (0.022)

TC, mmol/L

0.004 (0.033)

BUN, mmol/L

0.286 (0.022)^**

0.203 (0.029)^**

sCr, per 10 μmol/L

0.170 (0.020)^**

0.320 (0.078)^**

Tophi

0.246 (0.080)^*

0.145 (0.071) ^*

Nephrolithiasis

0.153 (0.069)^*

0.279 (0.084)^*

Hypertension

0.374 (0.095)^**

0.222 (0.075)^*

Cardiovascular disease

0.547 (0.251)^*

− 0.026 (0.218)

History of smoking

0.053 (0.065)

History of drinking

0.030 (0.063)

Family history

0.016 (0.079)