From: Dense breast stromal tissue shows greatly increased concentration of breast epithelium but no increase in its proliferative activity
CT density
RMR
95% CI
p
TDLUs
   Low
1.00
   Medium
0.58
0.48–0.70
<0.001
   High
0.59
0.53–0.66
Ducts
0.66
0.44–0.97
0.035
0.65
0.53–0.79