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Table 3 Comparison of the performance of the 8th edition of the TNM Staging System alone and the 8th edition of the TNM Staging System combined with LVI

From: Combination of lymphovascular invasion and the AJCC TNM staging system improves prediction of prognosis in N0 stage gastric cancer: results from a high-volume institution

Classification

Linear trend x2

Likelihood ratio x2

AIC

8th TNM

58.58

58.36

1485.04

8th TNM + LVI

68.99

70.18

1473.38