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Demographic and clinical characteristics of study participants
| Detroit ROCS n=171 |
||
|---|---|---|
| Age (years) | n | (%) |
| <50 | 62 | 34.3% |
| 50–59 | 43 | 23.8% |
| 60–69 | 59 | 32.6% |
| 70+ | 17 | 9.4% |
| Stage | ||
| I | 71 | 39.2% |
| II | 72 | 39.8% |
| III | 31 | 17.1% |
| IV | 7 | 3.9% |
| Grade | ||
| 1 | 19 | 10.5% |
| 2 | 70 | 38.7% |
| 3 | 82 | 45.3% |
| Unknown | 10 | 5.5% |
| Family history of breast cancer | ||
| Yes | 52 | 28.6% |
| No | 130 | 71.4% |
| Subtype | ||
| ER−/PR−/HER2+ | 14 | 7.7% |
| ER+ or PR+, HER2− | 102 | 56.4% |
| ER+ or PR+, HER2+ | 24 | 13.3% |
| Triple negative | 34 | 18.8% |
| Unknown | 7 | 3.9% |
