Table 1.
Demographic characteristics of study participants
| Selected characteristics | Number or mean | |
|---|---|---|
| Age at surgery | Mean 43 yr (range 31–59 yr) | |
| BI-RADS category | ||
| 4 | 11 | |
| 3 | 16 | |
| 2 | 10 | |
| 1 | 4 | |
| Risk factors | ||
| BRCA−, strong family history | 9 | |
| BRCA1+ | 15 | |
| BRCA2+ | 13 | |
| Past history of BC or DCIS | 24 | |
| Menopausal status | ||
| Premenopausal | 28 | |
| Perimenopausal | 5 | |
| Postmenopausal | 8 | |
| Parity | ||
| Parous | 37 | |
| Nulliparous | 4 | |
BI-RADS score 1: predominantly fat, 2: scattered fibroglandular densities, 3: heterogeneously dense, 4: extremely dense.
Abbreviations: BC breast cancer, BI-RADS Breast Imaging-Reporting and Data System, DCIS ductal carcinoma in situ, IDC invasive ductal carcinoma.