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Multivariate Cox proportional regression of the association with outcomes
| Variable | HR | 95% CI | P value |
|---|---|---|---|
| Age (< 40 VS ≥ 40 years) | 1.481 | 0.379–5.785 | 0.572 |
| Number of tumor lesions (≤ 8 VS > 8) | 0.101 | 0.011–0.900 | 0.040 |
| Primary chemotherapy regimen is EMA-CO or EP-EMA (Yes VS No) | 3.674 | 0.702–19.239 | 0.123 |
