Figure 2

The performance of the 6-GPS for predicting the RFS of the CRC patients. The Kaplan–Meier curves of RFS for the CRC patients treating with 5-FU-based therapy in the training data set (GSE39582) (a–c) and the validation data sets ((d) GSE14333 and (e) TCGA). The Kaplan–Meier curves of RFS for (f) the CRC patients without 5-FU-based treatment. n, the number of samples.