Additional file 1 of Prognostic model for oversurvival and tumor-specific survival prediction in patients with advanced extrahepatic cholangiocarcinoma: a population-based analysis

Additional file 1: Table S1. Clinical characteristics of patients in the training cohort and validation cohort. Table S2. The results of univariate Cox regression analyses on variables for the prediction of OS and CSS. Table S3. Comparison of the AUC values between nomograms and TNM stage.