Table 3.
Patient Demographic and Disease and Treatment Clinical Characteristics
| Characteristic | % of Patients by Menstrual Phase |
||
|---|---|---|---|
| Luteal (n = 230) | Follicular (n = 363) | Other (n = 241) | |
| Age at surgery, years | |||
| Median | 42 | 42 | 42 |
| Range | 28-52 | 22-54 | 23-53 |
| Ethnicity | |||
| White | 82.2 | 82.6 | 84.7 |
| African American | 9.1 | 8.3 | 9.5 |
| Asian | 2.6 | 4.1 | 1.2 |
| Hispanic | 2.6 | 3.3 | 3.3 |
| Native Hawaiian/Pacific Islander | 0.4 | 0.6 | 0 |
| Other | 0.9 | 0.8 | 1.2 |
| Not provided | 2.2 | 0.8 | 0 |
| Surgical procedure | |||
| One-step | 87.0 | 85.4 | 87.1 |
| Two-step | 13.0 | 14.6 | 12.9 |
| Estrogen receptor status | |||
| Positive | 72.6 | 67.8 | 70.5 |
| Borderline | 0.9 | 0.6 | 0.4 |
| Negative | 25.7 | 31.4 | 28.2 |
| Not done | 0.9 | 0.3 | 0.8 |
| Histology | |||
| Ductal | 90.9 | 88.2 | 90.5 |
| Lobular | 4.4 | 6.3 | 5.4 |
| Other | 5.7 | 5.5 | 4.1 |
| No. of positive nodes | |||
| Not evaluated | 0 | 1.4 | 0.8 |
| 0 | 62.2 | 58.9 | 58.9 |
| 1-3 | 28.7 | 30.3 | 30.3 |
| 4-9 | 6.1 | 7.2 | 7.1 |
| ≥ 10 | 3.0 | 2.2 | 2.9 |
| T stage | |||
| 1 | 62.6 | 61.7 | 55.2 |
| 2 | 36.5 | 37.7 | 43.6 |
| 3 | 0.9 | 0.6 | 1.3 |
| Adjuvant therapy | |||
| Chemotherapy | 73.0 | 73.3 | 78.8 |
| Radiation therapy | 63.0 | 69.2 | 69.7 |
| Hormonal therapy | 63.0 | 55.7 | 59.3 |