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| Analysis | Number of studies | RE estimate | 95% CI | Meta‐analysis P‐value | Heterogeneity test |
| D(M)FS ‐ all studies | 70 | 24% | 21% to 28% | P < 0.0001 | Q = 489.89 (69 df); P < 0.0001 |
| D(M)FT ‐ all studies | 53 | 23% | 19% to 28% | P < 0.0001 | Q = 541.04 (52 df); P < 0.0001 |
