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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 4.1 Overall survival | 4 | Hazard Ratio (IV, Random, 95% CI) | 1.96 [1.44, 2.67] | |
| 4.2 Progression‐free survival | 3 | Hazard Ratio (IV, Random, 95% CI) | 1.60 [1.36, 1.89] |
