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Survival analyses of subgroups
| Number of patients | Number of case-observed | Percent of case-observed | Mean survival (day) | P-value | |
|---|---|---|---|---|---|
| ER+ | 396 | 57 | 85.6 | 5030,747 | 0.010* |
| ER-PR+ | 78 | 5 | 86.5 | 4718,160 | |
| HER2+ | 37 | 9 | 87.0 | 3149,519 | |
| TN | 69 | 16 | 79.5 | 4150,100 | |
| Total | 580 | 87 | 85% | 4940,640 |
