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Kaplan–Meier plots for clinical factors significantly associated with survival. The Kaplan–Meier plots demonstrate six clinical factors with a significant (p < 0.05) association with the survival of patients with PDAC. (A) Stages, (B) metastasis, (C) tumor location, (D) tumor mass size, (E) CA19-9 level, and (F) chemotherapy. Hazard ratio (HR), confidence interval (CI), and p-value were obtained from univariate Cox proportional hazard test.
