Fig. 7

A, B Clinical impact curves of predicted nomogram in the training cohort (A) and validation cohort (B). The horizontal coordinate is the probability threshold and the vertical coordinate is the number of people. The blue line indicates the number of people judged by the model to have lymph node metastasis at different probability thresholds; the red line indicates the number of people judged by the model to be at high risk and to have true lymph node metastasis at different probability thresholds. At the bottom, a cost: benefit ratio is also added, indicating the ratio of loss to benefit at different probability thresholds