Fig. 4

Hazard ratio of EOC in the training group and nomogram model for OS of EOC. A) Hazard ratio of EOC in the training group; B) Nomogram model for OS of EOC. CD39, ectonucleoside triphosphate diphosphohydrolase 1; CI, confidence interval; CK, cytokeratin; EOC, epithelial ovarian cancer; HR, hazard ratio; OS, overall survival.