TABLE 1.
Patient demographics
| OncotypeDx group | Variable type | Low (<18) | Intermediate (18–30) | High (>30) | Total |
|---|---|---|---|---|---|
| Patients (#) | 28 | 26 | 2 | 56 | |
| Tumor size (cm) | Pathological | 2.3 ± 1.4 | 1.8 ± 1.0 | 0.8 ± 0.2 | 2.0 ± 1.2 |
| ER status (−/+) | 0/28 | 0/25 | 0/2 | 0/55 | |
| PR status (−/+) | 0/28 | 5/20 | 0/2 | 5/50 | |
| Combined Nottingham grade (1/2/3) | 11/17/0 | 5/15/5 | 1/1/0 | 17/33/5 | |
| Nuclear grade (1/2/3) | 1/22/5 | 3/13/10 | 0/0/2 | 4/35/17 | |
| Mitotic grade (1/2/3) | 26/2/0 | 16/5/3 | 2/0/0 | 44/7/3 | |
| Tubule formation grade (1/2/3) | 3/12/13 | 2/7/15 | 0/1/1 | 5/20/29 | |
| Age (avg. ± σ) | Clinical | 58.0 ± 10.3 | 60.4 ± 8.7 | 56 ± 17 | 59.1 ± 9.8 |
| BMI (avg. ± σ) | 30 ± 6.3 | 28.9 ± 6.4 | 28.9 ± 5.2 | 29.6 ± 6.3 | |
| Mammographic density (MBD) (1/2/3/4) | Imaging | 5/10/9/3 | 5/14/7/0 | 0/1/1/0 | 10/25/17/3 |
Note: Patient demographics by OncotypeDx risk group, subdivided based on clinical and pathology information.