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Table 3 Multivariate analysis of overall survival in patients with ampullary adenocarcinoma

From: Prognostic impact of immunohistochemical expression of CK7 and CK20 in curatively resected ampulla of Vater cancer

Variables Hazard ratio P value
CK7+/CK20-
  No Ref. 0.046
  Yes 8.96 (1.04–77.38)
T stage
  T1, T2 Ref. 0.019
  T3, T4 12.98 (1.52–110.78)
Lymph node metastasis
  No Ref. 0.276
  Yes 2.45 (0.49–12.33)
Lymphovascular invasion
  No Ref. 0.678
  Yes 0.67 (0.10–4.55)
Differentiation
  Well/mod Ref. 0.955
  poorly 1.05 (0.17–6.59)
  1. CK7 Cytokeratin 7, CK20 Cytokeratin 20