Risk factors, prognostic factors, and nomograms for distant metastasis in patients with diagnosed duodenal cancer: A population-based study

Figure 9 Validating the prognostic nomogram in the expanded testing set. A: The calibration curves of the nomogram for the 12 months in the expanded testing set; B: The calibration curves of the nomogram for the 36 months in the expanded testing set; C: The calibration curves of the nomogram for the 60 months in the expanded testing set; D: The decision curve analysis of the nomogram for the 12 months in the expanded testing set; E: The decision curve analysis of the nomogram for the 36 months in the expanded testing set; F: The decision curve analysis of the nomogram for the 60 months in the expanded testing set; G: Comparison of area under the receiver operating characteristic curves between nomogram and all independent factors for the 12 months in the expanded testing set; H: Comparison of area under the receiver operating characteristic curves between nomogram and all independent factors for the 36 months in the expanded testing set; I: Comparison of area under the receiver operating characteristic curves between nomogram and all independent factors for the 60 months in the expanded testing set; J: Time-dependent receiver operating characteristic curve analysis of the nomogram for the 12, 36, and 60 months in the expanded testing set; K: The Kapla-Meier survival curve of the patients in the expanded testing set. AUC: Area under the curve.