Table 2.
Beam attenuation value layer |
|||||||||
---|---|---|---|---|---|---|---|---|---|
Unfiltered Glandular tissue (%) |
200th VL Glandular tissue (%) |
500th VL Glandular tissue (%) |
|||||||
Breast thickness (cm) |
0 | 50 | 100 | 0 | 50 | 100 | 0 | 50 | 100 |
8 | 19.1 | 17.5 | 14.2 | 3.00 | 1.34 | 3.99 | 0.98 | 1.41 | 1.25 |
12 | 17.0 | 20.0 | 22.7 | 1.78 | 2.35 | 2.68 | 0.74 | 1.11 | 1.42 |
16 | 19.6 | 23.0 | 25.8 | 2.25 | 2.78 | 3.71 | 0.86 | 1.12 | 1.82 |
18 | 20.1 | 24.4 | 26.1 | 2.18 | 2.70 | 4.44 | 0.78 | 1.09 | 1.95 |