Table 1.
Volpara values per BI-RADS category per examination (median, min/max)
| BI-RADSa categoryb | n | Fibroglandular tissue volume (cm3) | Min/max | Breast tissue volume (cm3) | Min/max | Volumetric Breast density (%) | Min/max |
|---|---|---|---|---|---|---|---|
| 1 | 1378 | 41.0 | 12.1/123.2 | 1005.7 | 139.1/3188.8 | 4.1 | 1.9/26.2 |
| 2 | 3445 | 44.1 | 11.5/184.7 | 777.5 | 69.6/3375.8 | 5.7 | 2.0/32.5 |
| 3 | 2967 | 60.9 | 8.8/257.5 | 567.0 | 40.1/2831.0 | 10.9 | 2.9/32.4 |
| 4 | 636 | 77.3 | 13.4/336.6 | 360.9 | 56.2/1931.2 | 22.1 | 5.1/43.3 |
| Totalc | 8426 | ||||||
| All examinations with Volpara measuresd | 8433 | 49.0 | 8.8/336.6 | 691.1 | 40.1/3375.8 | 7.2 | 1.9/43.3 |
aBreast Imaging Reporting and Data System
bBI-RADS score from one reader
cExaminations with BI-RADS score from one reader and Volpara values
dIndependent of BI-RADS scores