From: Relationships between mammographic density, tissue microvessel density, and breast biopsy diagnosis
 | All women | Non-cases | Cases |  | |||
---|---|---|---|---|---|---|---|
N = 218 | n = 174 | n = 44 | |||||
MD measure | βa | p | βa | p | βa | p | P heterogeneityb |
Global | Â | Â | Â | Â | Â | Â | Â |
 % density (volume) | 0.0004 | 0.35 | 0.0003 | 0.49 | 0.0005 | 0.70 | 0.67 |
 Dense volume (cm3) | -0.0001 | 0.11 | -0.0003 | 0.008 | -0.00004 | 0.84 | 0.43 |
 Non-dense volume (cm3) | -0.00007 | 0.04 | -0.00008 | 0.01 | 0.00001 | 0.89 | 0.31 |
Lesional | Â | Â | Â | Â | Â | Â | Â |
 % dense volume (cm3) | 0.0005 | 0.16 | 0.0006 | 0.16 | 0.0001 | 0.93 | 0.83 |
 Dense volume (cm3) | 0.004 | 0.08 | 0.002 | 0.37 | 0.01 | 0.15 | 0.22 |
 Non-dense volume (cm3) | 0.004 | 0.03 | 0.0003 | 0.90 | 0.006 | 0.04 | 0.09 |