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Table 1 Characteristics of patients in the primary and validation cohorts

From: Preoperative prediction of intrahepatic cholangiocarcinoma lymph node metastasis by means of machine learning: a multicenter study in China

  1. O negative, 1 Positive, Sex: 0 female 1 male, LNM Pathology confirmed lymphnode metastasis, rnum Number of tumors on imaging (single or multiple), hepatitis Hepatitis B or not, TBIL Total Bilirubin, ALB album in, ALT alanine amino transferase, PT prothrombintime, WBC leukocyte, RBC erythrocyte, PLT platelet, AFB Alpha fetoprotein, SL AST/ALT, CEA Carcinoembryonic antigen, CA199 Carbohydrate antigen 199, ALP Alpha fetoprotein