Factor | Category | Number | Percentage |
---|---|---|---|
Tumor size (cm) | ≤ 1 | 13 | 21.7 |
 | > 1, ≤ 4 | 23 | 38.3 |
 | > 4 | 11 | 18.3 |
 | Unknown | 13 | 21.7 |
Tumor grade | I | 14 | 23.3 |
 | II | 23 | 38.3 |
 | III | 16 | 26.7 |
 | Unknown | 7 | 11.7 |
ER | Negative | 19 | 31.7 |
 | Positive | 37 | 61.7 |
 | Unknown | 4 | 6.7 |
PR | Negative | 36 | 60.0 |
 | Positive | 21 | 35.0 |
 | Unknown | 3 | 5.0 |
Her-2/neu | Negative | 31 | 51.7 |
 | Positive | 21 | 35.0 |
 | Unknown | 8 | 13.3 |
P53 | Negative | 41 | 68.3 |
 | Positive | 15 | 25.0 |
 | Unknown | 4 | 6.7 |
Race | African American | 15 | 25.0 |
 | Caucasian | 44 | 73.3 |
 | Others | 1 | 1.7 |
Age | Minimum | 40 | Â |
 | Maximum | 79 |  |
 | Average | 59 |  |
 | Median | 58.5 |  |