A homogenized approach to classify advanced gastric cancer patients with limited and adequate number of pathologically examined lymph nodes

Table 4 Performance indices of the different classifications

Classification	Likelihood ratio χ² (homogeneity)	Linear trend χ² (discriminatory ability)	AIC (overall performance)
8th AJCC pN	376.9	328.7	12,358
LNR	452.4	408.5	12,283
N′	458.7	390.0	12,276
8th AJCC pTNM	425.3	344.4	12,312
TN′M	485.1	400.6	12,252

AJCC American Joint Committee on Cancer, pN pathologically examined nodal classification, LNR lymph node ratio, N′ pathologically examined modified nodal classification, pTNM pathological tumor-node-metastasis classification, TN′M pathological tumor-modified node-metastasis classification, AIC Akaike information criterion

ISSN: 2523-3548