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Evaluation of the RAIS model in four cohorts. (A) Time-dependent ROC analysis for predicting RFS at 1~5 years. (B) The Harrell’s C-index of RAIS. (C) Calibration plots for comparing the actual probabilities and the predicted probabilities of RFS at 1~5 years. (D) Comparison of recurrence rate between the high-risk and low-risk groups. (E) ROC analysis of the RAIS model for predicting the recurrence event of patients.
