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. 2017 Nov 13;12(11):e0187626. doi: 10.1371/journal.pone.0187626

Table 3. Comparison of the prognostic performance using C-index, BIC, and likelihood ratio.

	7^th AJCC edition	8^th AJCC edition	P value
Overall survival
C-index	0.7345	0.7359	0.239
BIC	17106.04	17083.77
Likelihood ratio	685.26	707.53	<0.001
Disease-free survival
C-index	0.7347	0.7361	0.325
BIC	17585.54	17597.16
Likelihood ratio	728.51	740.13	<0.001

AJCC: American Joint Committee on Cancer; C-index: Harrell concordance index; BIC: Bayesian information criterion