Fig. 3From: Risk factors and predictive nomograms for early death of patients with advanced hepatocellular carcinoma: a large retrospective study based on the SEER databaseA, B The receiver operating characteristic (ROC) curves for the nomogram. A stage IVA; B stage IVB. C, D The calibration curves plots for the nomogram (bootstrapping, 1000 re-samplings). C stage IVA; D stage IVB. Abbreviations: AUC, area under the curveBack to article page