Table 4.
Comparison of the performance of the AJCC-N, LNR, LODDs, and the rN staging systems in predicting prognosis of gastric cancer
| 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 |
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
* Comparison of overall survival by liner trend χ2 test among different stages
#Comparison of overall survival by likelihood ratio χ2 test among different stages