Fig. 2

a–c Calibration curves of the nomogram for predicting 3-, 5-, and 10-year CSS. Nomogram-predicted CSS is plotted on the x-axis and the actual CSS is plotted on the y-axis. The diagonal dotted line indicates the ideal nomogram, in which the actual and predicted probabilities are identical. The solid line indicates the actual nomogram, of which a closer fit to the dotted line indicates a better calibration. d. Decision curves of the nomogram predicting CSS. The x-axis represents the threshold probabilities and y-axis measures the net benefit calculated by adding the true positives and subtracting the false positives. e. The ROC of the nomogram for predicting the CSS