Fig. 5

Survival predictability and clinical values of the risk model. A The risk plot shows the risk scores of individual patients in the high- and low-risk groups. B The scatter plot represents the survival status distribution of individual patients in the high- and low-risk groups. C Kaplan–Meier curves indicate patients in the low-risk group experiencing a longer survival time. D–G The strip chart (D) together with the box plots revealed that tumor grade (E), T stage (F), and N stage (G) were statistically significantly related to the risk score. H The univariate Cox regression analysis demonstrated that the T stage, N stage, M stage, and risk score were statistically different. I The multivariate Cox regression analyses indicated that the T stage, N stage, M stage, and risk score can serve as the independent prognostic predictor