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Multivariate Cox regression analysis of prognostic factors for progression-free survival in endocrine therapy-naive and endocrine therapy-sensitive population.
| Prognostic factors | n | HR (95CI) | P value |
|---|---|---|---|
| ECOG status - no. (%) | <0.001 | ||
| 0 | 119 | 1 | |
| 1 | 63 | 1.4 (0.9–2.18) | |
| 2 | 15 | 3.96 (1.97–7.97) | |
| Pretreated by endocrine therapy for advanced disease - no. (%) | <0.001 | ||
| No | 169 | 1 | |
| Yes | 49 | 2.38 (1.54–3.69) | |
| Metastatic sites - no. (%) | <0.001 | ||
| 1–2 | 151 | 1 | |
| 3 and more | 67 | 1.88 (1.26–2.82) |
