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Table 2 Univariate analysis of the overall survival of two groups divided on the basis of the CA19-9 cutoff value in patients with PDAC treated by resection

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

Cutoff value (U/mL) Number (n = 120) Median OS (months) Log rankx2 P value
<37 18 21.6 6.647 0.010
≥37 102 14.2   
<200 52 19.2 2.105 0.147
≥200 68 13.9   
<287.61 60 19.2 3.923 0.048
≥287.61 60 12.7   
<338.45 68 24.9 6.868 0.009
≥338.45 52 11.9   
<617.31 79 19.2 4.696 0.030
≥617.31 41 12.0   
<1,000 93 15.9 0.827 0.363
≥1,000 27 12.0