Variables Unstandardised Standardised 95% CI p Value   β Std. error β L U   Urid acid 2.704 0.687 0.277 1.348 4.060 <0.001 low-density lipoprotein 0.146 0.063 0.164 0.022 0.269 <0.05

Table 4: The stepwise linear regression of mean TFC in AF Patients.