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Table 3 Significant independent prognostic factors for overall survival in patients with PDAC treated by resection on multivariate analysis a

From: Elevated serum CA19-9 level is a promising predictor for poor prognosis in patients with resectable pancreatic ductal adenocarcinoma: a pilot study

Characteristics Category Hazard ratio 95% CI P value
Age (years) ≥60 vs. <60 0.554 0.351-0.874 0.011
Histological differentiation well 1   0.001
moderately 2.108 1.251-3.551 0.005
poorly 4.393 1.932-9.986 0.000
CA19-9 (U/mL) ≥338.45 vs. <338.45 1.961 1.241-3.099 0.004
  1. aThe multivariate Cox proportional hazards model (forward) was fitted using all of the clinical and pathological variables, which included age, gender, location of tumor, maximal tumor size, histological differentiation, surgical margins, pT category, pN category, pTNM category, serum TBil level, and CA19-9 level.