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Comparison of the performance of the 6th and 7th editions of the American Joint Committee on Cancer (AJCC)
| TNM staging system | Figure | Model | Linear trend χ2 | Likelihood ratio χ2 | AIC |
|---|---|---|---|---|---|
| 6th Edition | A | 0, I, IIA, IIB, III, IV | 37.41 | 47.120 | 2590.759 |
| B | 0, I, II, III, IV | 34.46 | 46.747 | 2591.183 | |
| 7th Edition | A | 0, IA, IB, IIA, IIB, IIIA, IIIB, IIIC | 49.59 | 64.275 | 2574.686 |
| B | 0, I, II, III | 44.47 | 59.124 | 2578.623 |
AIC, Akaike information criterion; TNM, tumor-node-metastasis.
