OBJECTIVE To explore the related factors for biliary tract infections in patients with choledocholithiasis so as to reduce the infection rate in the patients with choledocholithiasis.METHODS A total of 403 patients with choledocholithiasis who were treated in the hospital from Jan 2013 to Dec 2015 were enrolled in the study,then the bile specimens were cultured for pathogens,the infection rates and related risk factors were observed,the statistical analysis was carried out by means of SPSS18.0software,and t...