Risk factors of organ failure in cholangitis with bacteriobilia

Figure 1 Flow chart of patient selection for the study. PTBD: Percutaneous transhepatic biliary drainage.

Figure 2 Receiver operating characteristic curves of organ failure score to predict organ failure in patients with bacteriobilia who underwent percutaneous transhepatic biliary drainage because of acute cholangitis. The area under the receiver operating characteristic curves was 0.744 (95%CI: 0.615-0.873), and the best cut-off point of the organ failure score was 2.9 (sensitivity 22.7%, specificity 99.1%, positive predictive value 86.2%, negative predictive value 83.3%).