Table 1.
Clinical features of subjects.
| Subjects | TNBC | CN | |
|---|---|---|---|
| Sample size | 31 | 31 | |
| Age (years), mean (SD) | 51.5 (10.2) | 51.7 (10.6) | |
| Menopause status, n | Premenopausal | 9 | 10 |
| Perimenopausal | 13 | 12 | |
| Postmenopausal | 9 | 9 | |
| Cancer stage, n | I | 4 | NA |
| II | 17 | NA | |
| III | 10 | NA | |
| Cancer type, n (%) | (ER−, PR−, HER2−), n (%) | 100% | NA |
| Sample collection before or after medication | before | NA | |
| Sample collection before or after surgery | before | NA | |
The table shows age and range of subjects at the time of blood sample collection.
NA: not applicable.
TNBC, Triple negative breast cancer; CN, healthy controls; ER−, negative expression of estrogen receptor; PR−, negative expression of progesterone receptor; HER2−, negative expression of human epidermal growth factor receptor.