Preoperative Clinical and Computed Tomography (CT)-Based Nomogram to Predict Oncologic Outcomes in Patients with Pancreatic Head Cancer Resected with Curative Intent: A Retrospective Study.

In multivariate analysis, symptoms at diagnosis ( P = 0.027), preoperative serum CA 19-9 ≥ 34 U/mL ( P = 0.043), and associated pancreatitis or pseudocyst on CT ( P = 0.018) were significant prognostic factors, whereas necrosis on CT ( P = 0.325), which was marginally significant in all cases, was not ( Table S4 ).

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Preoperative serum CA19-9 (HR, 1.63; 95% CI, 0.97–2.72, P = 0.065) and necrosis on CT (HR, 1.64; 95% CI, 0.97–2.79, P = 0.066) showed marginal significance ( Table S1 ).

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