Table 1. Patient characteristics.
| Total (N=649) | |
|---|---|
| Age, years | |
| Median | 67.4 |
| Range | (39.7-96.0) |
| Race | |
| American Indian or Alaska Native | 4 (0.6%) |
| Asian | 14 (2.2%) |
| Black or African American | 37 (5.7%) |
| White | 594 (91.5%) |
| Ethnicity | |
| Hispanic or Latino | 55 (8.5%) |
| Not Hispanic or Latino | 586 (90.3%) |
| Unknown | 8 (1.2%) |
| BMI | |
| Median | 27.2 |
| Range | (16.0-53.6) |
| AJCC tumor stage | |
| 1 | 367 (56.5%) |
| 2 | 215 (33.1%) |
| 3 | 67 (10.3%) |
| ER/PgR status | |
| Negative/Positive | 4 (0.6%) |
| Positive/Negative | 125 (19.3%) |
| Positive/Positive | 519 (80.0%) |
| Positive/Unknown | 1 (0.2%) |
| HER2 status | |
| Negative | 555 (85.5%) |
| Positive | 82 (12.6%) |
| Unknown | 12 (1.8%) |
| Smoking status | |
| No | 346 (53.3%) |
| Unknown | 71 (10.9%) |
| Yes | 232 (35.7%) |
| Prior Chemotherapy | |
| No | 384 (59.2%) |
| Yes | 265 (40.8%) |
| Prior tamoxifen | |
| No | 583 (89.8%) |
| Yes | 66 (10.2%) |
| Blood Draw Days | |
| N | 649 |
| Mean (SD) | 108.0(65.2) |
| Median | 91.0 |
| Range | (29.0-471.0) |