Table 1.
Patients’ demographics.
| Demographic | Variable | Patients (n = 44) |
|---|---|---|
| Mean age ± SD (y) | 52.5 ± 10.6 | |
| Mean tumor size ± SD (cm) | 4.6 ± 2.5 | |
| Menopausal status | Premenopausal | 16 (36.4%) |
| Postmenopausal | 28 (63.6%) | |
| Initial diagnosis | Invasive breast cancer NOS | 1 (2.27%) |
| Invasive ductal | 39 (88.63%) | |
| Invasive lobular + mixed invasive and lobular | 4 (9.09%) | |
| Estrogen receptor status | Positive | 24 (54.54%) |
| Negative | 20 (45.45%) | |
| Progesterone receptor status | Positive | 25 (56.81%) |
| Negative | 29 (65.91%) | |
| HER2 status | Positive | 12 (27.27%) |
| Negative | 22 (50.00%) | |
| Receptor status | Triple negative | 9 (20.45%) |
| Other | 35 (79.54%) | |
| Grade at diagnosis | 1 | 1 (2.27%) |
| 2 | 9 (20.45%) | |
| 3 | 27 (61.36%) |
Percentages not adding up to 100% are due to missing data; tumor size was determined using baseline imaging. HER2 = human epidermal growth factor receptor type 2. SD = standard deviation.