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. 2018 Apr 6;19(3):149–158. doi: 10.1002/acm2.12319

Table 1.

Nominal densities and CT numbers of gammex rod materials

Rod materials Electron density relative to water Physical density (g/cm3) CT Sim average CT value (HU) AIRO average CT value (HU) Relative stopping power (Clinical CT Sim)
LN‐300 Lung 0.28 0.30 297.36 315.32 0.28
LN‐450 Lung 0.40 0.41 450.71 464.75 0.44
Adipose 0.90 0.92 905.69 902.46 0.95
Breast 0.96 0.98 956.58 947.48 0.98
CT solid water 0.99 1.02 996.92 992.79 1.01
Brain 1.05 1.05 1020.03 1004.92 1.03
Liver 1.07 1.11 1070.89 1051.02 1.07
Inner bone 1.09 1.14 1210.49 1209.70 1.13
B200 bone material 1.11 1.16 1221.89 1214.12 1.13
CB2–30% CaCO3 1.28 1.34 1439.98 1423.25 1.24
CB2–50% CaCO3 1.47 1.56 1799.79 1791.62 1.43
Cortical bone 1.69 1.82 2187.78 2181.50 1.65