Figure 12. Receiver operating characteristic (ROC) analysis of SIRT1, ARNTL and ATF4. (A) ROC curves of SIRT1, ARNTL and ATF4 in training set GSE85358. (B) ROC curves of SIRT1, ARNTL and ATF4 in validation set GSE39170. (C) ROC curves of SIRT1, ARNTL and ATF4 in validation set GSE120783.