Table 1.
Cohort description
| Number of patients* | 101 |
| Age (years)** | 57.61 ± 11.98 |
| BMI (kg/m2)** | 26.72 ± 5.84 |
| Cup size* | |
| A | 7 (6.9) |
| B | 30 (29.7) |
| C | 12 (11.9) |
| D | 17 (16.8) |
| E | 6 (5.9) |
| F | 2 (2.0) |
| n.a. | 27 (26.7) |
| Mammographic breast density according to BI-RADS®* | |
| ACR A (almost entirely fatty) | 13 (12.9) |
| ACR B (scattered areas of fibroglandular density) | 51 (50.5) |
| ACR C (heterogeneously dense) | 30 (29.7) |
| ACR D (extremely dense) | 7 (6.9) |
| Previous surgery of the contralateral breast* | 15 (14.9) |
| Positive family history of breast cancer* | 16 (15.8) |
*Values are absolute frequencies. Relative frequencies are given as percentages in parentheses. Percentages are rounded. **Values are means with standard deviation in parentheses
The p values are based on the χ2 test (*) or t test (**)