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Results of multivariate analysis for factors affecting overall survival.
| Variables | Hazard ratio | 95% CI | P-value |
|---|---|---|---|
| Histological subtype | 1.16–20.0 | 0.038 | |
| Osteoblastic variant | 4.83 | ||
| Other variants | 1 | ||
| Pattern of metastasis | 1.40–17.94 | 0.018 | |
| Lung only | 1 | ||
| Other patterns | 5.0 | ||
| Achievement of CR | 0.46–17.37 | 0.24 | |
| Yes | 1 | ||
| No | 2.84 |
CI, confidence interval; CR, complete remission.
