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Table 2 Multivariate Cox regression analysis of histopathologic factors in 92 patients with pancreatic cancer

From: COX-2 overexpression in resected pancreatic head adenocarcinomas correlates with favourable prognosis

  p-value HR 95% CI
R-status (R1vs R0) 0.87 1.038 0.65 - 1.65
Vascular invasion (Involved vs non- involved) 0.455 1.208 0.74 - 1.98
Perineural infiltration (Involved vs non- involved) 0.359 1.369 0.70 - 2.68
Tumour size (> 20 mm vs ≤ 20 mm) 0.315 1.434 0.71 - 2.90
COX-2 expression (Negative vs Positive) 0.047 1.642 1.01 - 2.68
Lymph node ratio (LNR) (> 0.2 vs ≤ 0. 2) 0.032 1.757 1.05 - 2.94