GCA and carotid atherosclerosis: Multifactorial binary logistic regression analysis was conducted with the occurrence of carotid atherosclerosis as the dependent variable (where the control group is denoted by 0 and the CAS group by 1), while statistically significant bile acids from the univariate analysis, including CA, CDCA, GCA, GCDCA, TCDCA, DCA, LCA, UDCA, GDCA, GUDCA, and TDCA, were considered independent variables.