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Additional file 1: Figure S1. The Kaplan-Meier plots of 9 prognostic CRGs in ovarian cancer. Figure S2. Unsupervised clustering of cuproptosis-related genes and Consensus matrix heatmaps for k = 2,4-9, as well as the consensus cumulative distribution function (CDF) curve for 2-9 curves. Figure S3. External validation for unsupervised clustering of cuproptosis-related genes in GSE32062. a Unsupervised clustering of cuproptosis-related genes in GSE32062, showing the consensus matrix heatmaps for k = 2-5; b Kaplan–Meier curves for overall survival of 260 OC patients (GSE32062) with three cuproptosis subtypes, the significant differences were observed among the three subtypes (log-rank test, p =0.0329). Figure S4. Forest plot of 48 prognostic genes after uniCox analysis of the DEGs (all P