Skip to main content

Table 5 Subgroup analyses according to tumor location

From: Comparative effectiveness of primary tumor resection in patients with stage III pancreatic adenocarcinoma

  Pancreatic head Pancreatic body Pancreatic tail
OS
 Non-adjusted 0.60 (0.54, 0.67) < 0.001 0.48 (0.35, 0.66) < 0.001 0.81 (0.57, 1.17) 0.264
 Adjusted
  Traditional regression model 0.58 (0.51, 0.66) < 0.001 0.55 (0.39, 0.76) < 0.001 0.54 (0.35, 0.86) 0.009
  2SRI IV model 0.43 (0.12, 1.48) 0.181 0.39 (0.01, 18.80) 0.637 1.57 (0.01, 217.96) 0.858
DSS
 Non-adjusted 0.58 (0.52, 0.66) < 0.001 0.48 (0.34, 0.66) < 0.001 0.85 (0.58, 1.24) 0.392
 Adjusted
  Traditional regression model 0.57 (0.50, 0.64) < 0.001 0.53 (0.37, 0.75) < 0.001 0.53 (0.32, 0.87) 0.013
  2SRI IV model 0.72 (0.20, 2.62) 0.614 0.44 (0.01, 24.44) 0.689 0.90 (0.00, 203.30) 0.970
  1. PTR was the reference (HR: 1). Data are shown as HR (95%CI) P value. All adjusted models were adjusted for: age, race, sex, year of diagnosis, tumor size and chemotherapy. OS, overall survival; DSS, disease-specific survival; 2SRI, 2 stage residual inclusion; IV, instrumental variable