Table 1.
Demographic characteristics of study participants
| Selected characteristics | Number or mean |
|---|---|
| Age at surgery date | Mean 46 years (range, 31–64 years) |
| BI-RADS category | |
| 4 | 3 |
| 3 | 4 |
| 2 | 5 |
| 1 | 3 |
| Risk factors (some women had > 1 risk factor) | |
| Strong family history | 11 |
| BRCA1+ | 3 |
| BRCA 2+ | 5 |
| Past history of BC or DCIS | 10 |
| Menopausal status | |
| Premenopausal | 9 |
| Perimenopausal | 1 |
| Postmenopausal | 5 |
| Parity | |
| Parous | 11 |
| Nulliparous | 4 |
Abbreviations: BI-RADS Breast Imaging Reporting and Data System, BC Breast cancer, DCIS Ductal carcinoma in situ
BI-RADS score 1 = predominantly fat, 2 = scattered fibroglandular densities, 3 = heterogeneously dense, 4 = extremely dense