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Comparison of the prognostic performance of the TGTVndM and TNM staging systems.
| Classification | Subgroups | Figure | Linear trend χ2 | Likelihood ratio χ2 | AIC |
|---|---|---|---|---|---|
| N stage | N0, N1, N2, N3 | SA | 5.06 | 11.68 | 1271.29 |
| GTVnd stage | GTVnd<4.35cm3
GTVnd≥4.35cm3 |
SB | 16.23 | 18.48 | 1260.23 |
| TNM stage | I, II, III, IV | SC | 25.77 | 20.69 | 1260.06 |
| TGTVndM stage | I, II, III | 3A | 26.38 | 24.39 | 1255.07 |
