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| Stratified study | No. of studies | No. of patients | Pool HR (95% CI) | P value | Heterogeneity I2 (%) | PQ |
|---|---|---|---|---|---|---|
| DFS | 4 | 1,432 | 1.97 (1.35–2.87) | 0 | 78.80 | 0.003 |
| RFS | 2 | 745 | 2.12 (0.65–6.88) | 0.213 | 52.70 | 0.146 |
| PFS | 1 | 111 | 1.65 (0.97–2.81) | – | – | – |
DFS/PFS/RFS, disease-free survival/progression-free survival/recurrence-free survival.
