Figure 4

The receiver operating characteristic curves of the nomograms for half-, 1-, 3-, 5-, 7-, 10-year in the test cohort. (a, b) Different random partitions in OS, which ensure there are no statistically significant differences in the distributions between the train and test cohorts; (c, d) different random partitions in CSS, which ensure there are no statistically significant differences in the distributions between the train and test cohorts.