Figure 6. Prognostic value of 8-IRlncRNA classifier for assessing recurrence-free survival (RFS). (A, B) Kaplan-Meier analysis for RFS of BLCA patients based on the risk stratification in the training set (A) and validating set (B). (C, D) Receiver operating characteristic (ROC) analysis for RFS prediction including 1-, 3-, 5-year of BLCA patients in the training set (C) and validating set (D).