Figure 8. Construction and validation of a nomogram. (A) Construction of a decision tree. (B) Kaplan-Meier analysis for 5 subgroups. (C, D) Comparative analysis of high and low ARS population and survival status among 5 subgroups. (E, F) Univariate and Multivariate Cox regression analysis concerning ARS and clinic features. (G) Construction of a nomogram. (H) Calibration curve of the nomogram for 1, 3, and 5 years. (I) Decision curve of the nomogram.