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| Observed variable | Hazard Ratio | Confidence Interval | P value |
|---|---|---|---|
| Primary tumor free survival | 3.8 | 3.4 to 18.5 | <0.0001 |
| Metastasis free survival | 2.5 | 1.38 to 6.6 | 0.0086 |
| Progression free survival | 2.1 | 1.1 to 5.1 | 0.0377 |
