Table 1.
Average volumes of the compartments simulated in the adipose (bold) and fibroglandular (normal) regions of phantoms of various volumes and different numbers of compartments.
| Mean volume (ml) of compartments in adipose (bold) and fibroglandular (normal) phantom regions | Phantom volume | |||||
|---|---|---|---|---|---|---|
| (ml) | ||||||
| 250 | 450 | 700 | 950 | 1500 | ||
| Number of compartments in adipose (bold) and fibroglandular (normal) regions | 100 | 1.3 ± 0.8 | 2.3 ± 1.4 | 3.6 ± 2.0 | 4.9 ± 2.6 | 7.7 ± 4.4 |
| 67 | 0.7 ± 0.7 | 1.3 ± 1.3 | 2.0 ± 1.7 | 2.5 ± 2.7 | 4.0 ± 4.0 | |
| 200 | 0.6 ± 0.4 | 1.2 ± 0.8 | 1.8 ± 1.1 | 2.5 ± 1.4 | 3.9 ± 2.3 | |
| 133 | 0.3 ± 0.4 | 0.6 ± 0.6 | 1.0 ± 1.0 | 1.4 ± 1.2 | 2.0 ± 1.6 | |
| 300 | 0.4 ± 0.3 | 0.8 ± 0.5 | 1.2 ± 0.8 | 1.7 ± 1.0 | 2.7 ± 1.7 | |
| 200 | 0.2 ± 0.2 | 0.4 ± 0.4 | 0.6 ± 0.6 | 0.8 ± 0.8 | 1.2 ± 1.2 | |