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Entire Cohort Described by AJCC/UICC Staging Model Using Cutoffs Age of 45 Years and 55 Years
| AJCC/UICC staging | N (%) | 10-year DSS |
|---|---|---|
| Cutoff of 45 years | ||
| I | 6600 (69.6) | 99.7% |
| II | 741 (7.8) | 97.3% |
| III | 1230 (13.0) | 96.6% |
| IV | 913 (9.6) | 76.3% |
| Cutoff of 55 years | ||
| I | 7736 (81.5) | 99.5% |
| II | 441 (4.6) | 94.7% |
| III | 707 (7.5) | 94.1% |
| IV | 600 (6.3) | 67.6% |
