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Table 4 Comparison of the performance of the eighth edition TNM staging system and the modified TNM staging system

From: A modified subclassification to evaluate the survival of patients with N3 gastric cancer: an international database study

  Linear trend χ2 (P value) Likelihood ratio χ2 (P value) AIC
The eighth TNM system 76.671 (< 0.001) 74.252 (< 0.001) 32,351.28
The modified TNM system 102.796 (< 0.001) 97.225 (< 0.001) 32,195.19
  1. AIC Akaike information criteria
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