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The performance of 5-gene prognostic model in the validation group. (a) The survival and expression of each sample ranking by risk score. Horizontal axis represents samples. (b) ROC analysis for evaluating the efficiency in predicting 1-year, 3-year, and 5-year survival. (c) Kaplan‒Meier survival analysis for high-risk and low-risk groups. Log-rank test was conducted. HR, hazard ratio. AUC, area under ROC curve.
