Figure 2. Evaluation of the performance of prognostic PI3K/Akt pathway related signature (PRS). ROC curve evaluated discrimination of PRS in predicting 1-, 3-, and 5-year OS rate of ovarian cancer in TCGA (A), GSE14764 (B), GSE26193 (C), GSE26172 (D), GSE63885 (E) and GSE140082 (F) cohort. (G, H) Univariate and multivariate cox regression analysis considering grade, stage and risk score in training and testing cohort.