From: PB.21: Relationship between volumetric breast density and socioeconomic status
Volparaâ„¢ density grade (VDG) | Volparaâ„¢ breast density (%) | Mean IMD | Number (%) of women |
---|---|---|---|
1 | <4.5 | 28.8 | 1923 (30.0%) |
2 | 4.5 to 7.5 | 26.2 | 2765 (43.2%) |
3 | 7.6 to 15.5 | 24.4 | 1505 (23.5%) |
4 | >15.5 | 21.4 | 205 (3.2%) |