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

Figure 5 Calibration and decision curves for 12, 36, and 60 months in the training set. A: The calibration curves of the nomogram for the 12 months in the training set; B: The calibration curves of the nomogram for the 36 months in the training set; C: The calibration curves of the nomogram for the 60 months in the training set; D: The decision curve analysis of the nomogram for the 12 months in the training set; E: The decision curve analysis of the nomogram for the 36 months in the training set; F: The decision curve analysis of the nomogram for the 60 months in the training set.