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. Author manuscript; available in PMC: 2015 Feb 26.
Published in final edited form as: Am J Gastroenterol. 2014 Nov 11;109(12):1881–1890. doi: 10.1038/ajg.2014.327

Table 5.

Concordance score (standard error) of the proposed staging system and the current TNM staging systema

Patient group Proposed staging system TNM staging system
Entire cohort 0.725 (0.018) 0.614 (0.017)
Transplantation 0.716 (0.041) 0.624 (0.039)
Resection 0.568 (0.041) 0.506 (0.032)
Palliative biliary drainage 0.661 (0.023) 0.516 (0.019)
Best supportive care 0.727 (0.067) 0.515 (0.061)

TNM, tumor-node-metastasis.

a

The analysis included 399 patients who had complete data for both the proposed staging system and the TNM staging system.