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Progression-free survival: results of multivariate analysis
| Factor | P-value | Hazard ratio | 95% CI |
|---|---|---|---|
| DFI <36 months | 0.001 | 5.4 | 1.9–14.8 |
| Multiple metastasis | 0.001 | 4.5 | 1.8–10.9 |
| Centrally-located metastasis | 0.012 | 0.2* | 0.08–0.74 |
CI, confidence interval; DFI, disease-free interval.
Protective effect.
