Figure 3. Kaplan-Meier survival analysis and time-dependent ROC curves of the miRNA signature in the testing cohort, entire TCGA cohort and independent validation cohort. (A, B) Internal testing cohort. (C, D) Entire TCGA cohort. (E, F) Independent validation cohort. We used AUCs at 3 and 5 years to assess prognostic accuracy, and calculated P values using the log-rank test.