| Two‐stage meta‐analysis based on random‐effects Cox model |
ESA versus control HR (95% CI) |
| Chemotherapy with prespecified chemotherapy protocol* | 1.11 (0.861.45) |
| Chemotherapy without prespecified chemotherapy protocol | 1.03 (0.96‐1.10) |
| Overall | 1.04 (0.97‐1.11) |
| LR test | 0.5937 |
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