Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Receiver operating characteristic (ROC) curve of the KL-6 concentration of bile for biliary tract cancer. According to the ROC curve, the optical cut-off value of bile KL-6 for distinguishing biliary tract cancer from benign biliary disease is estimated to be 8.6 U/ml. The area under the receiver operating characteristic curve (AUROC) of the bile KL-6 analysis is 0.84.
