From: Volumetric breast density evaluation using fully automated Volpara software, its comparison with BIRADS density types and correlation with the risk of malignancy
Variable
Cases (n = 193)
Controls (n = 247)
Age (mean ± SD) in years
51.6 + 9.8
49.8 + 10.1
Nulliparity
11
16
Early menarche
17
19
H/O breast feeding present
150
199
Strong family history
2
1
Hormone replacement therapy
0