Figure 4.Establishment and validation of nomograms, risk score differences between different clinical characteristics. (A) Univariate COX regression analysis. (B) Multivariate COX regression analysis. (C) Nomogram constructed using risk score and clinical characteristics. (D) Calibration curve of the nomogram. (E) Risk score differences between different clinical characteristics. The K-M analysis curves for the patients stratified by (F) risk score and stage, (G) risk score and K-Ras mutation status, (H) risk score, and smoking level.
