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Table 5 Possible prognostic factors of recurrence-free survival (RFS) and of overall survival (OS) after liver resection (multivariate analysis)

From: Clinical features and prognosis in hepatectomy for colorectal cancer with centrally located liver metastasis

  5-year RFS 5-year OS
P values Hazard ratio (CI 95%) P values Hazard ratio (CI 95%)
Factors of primary status
 Nodal involvement 0.018 1.847 (1.111 to 3.071) 0.010 1.975 (1.177 to 3.313)
 Primary extrahepatic metastasis NS - 0.026 1.870 (1.079 to 3.240)
Factors of liver metastasis
 Synchronous presentation 0.024 1.627 (1.067 to 2.482) 0.007 1.775 (1.168 to 2.697)
 Centrally located type NS - 0.036 1.705 (1.034 to 2.810)
 Multiple lesions 0.018 1.601 (1.083 to 2.367) NS -
 Poorly differentiation 0.029 2.899 (1.114 to 7.545) 0.000 9.284 (3.442 to 25.042)
Factors after liver resection
 Resection margin < 10 mm NS - 0.019 1.954 (1.118 to 3.414)
  1. NS, not significant.