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External validation of the accuracy of programmed cell-death index. (A) Kaplan-Meier of overall survival of patients with high- and low-PCDI in GSE9891, GSE26712, GSE49997 and GSE63885 cohorts after surgery. (B) A nomogram was established to predict the prognostic of OC patients from GSE9891 cohort. Wilcoxon test: **, P<0.01. PCDI, programmed cell death index; CI, confidence interval; OC, ovarian cancer; LMP, low malignant potential.
