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Table 4 Comparison of the performance of the AJCC-N, LNR, LODDs, and the rN staging systems in predicting prognosis of gastric cancer

From: Retrieved lymph nodes from different anatomic groups in gastric cancer: a proposed optimal number, comparison with other nodal classification strategies and its impact on prognosis

Staging system

Liner trend χ2

Likelihood ratio χ2

AIC

BIC

UICC/AJCC-N

201.522 (P < 0.001)*

360.823 (P < 0.001)#

12,830.84

12,836.29

LNR

232.258 (P < 0.001)*

365.131 (P < 0.001)#

12,826.56

12,831.44

LODDs

294.031 (P < 0.001)*

390.501 (P < 0.001)#

12,803.69

12,808.58

rN

313.340 (P < 0.001)*

410.575 (P < 0.001)#

12,785.33

12,790.78

  1. AIC Akaike information criterion, BIC Bayesian information criterion, N nodal stage based on the 8th edition of the Union for International Cancer Control/American Joint Committee on Cancer classification (UICC/AJCC), LNR lymph node ratio, LODDs log odds of metastatic lymph nodes, rN revised nodal stage
  2. * Comparison of overall survival by liner trend χ2 test among different stages
  3. #Comparison of overall survival by likelihood ratio χ2 test among different stages