Fig. 4

Validation of the risk score based on significant prognosis-related DNA repair genes in GSE31210. A Kaplan–Meier analysis of patients from the high-risk group and the low-risk group. B ROC curve analysis of the risk score at 1 year, 3 years and 5 years. C Scatter plot showing the risk scores of high-risk group patients and low-risk group patients. The individual inflection points of the risk score curve is displayed by dotted lines. D The risk scores and corresponding survival times and survival states of different patients. E–F Forest plot for the univariate and multivariate Cox regression analyses of prognostic indicators, including the risk score