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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Med Phys. 2020 Nov 20;48(1):342–353. doi: 10.1002/mp.14555

Table 4.

Tabulated values of parameters required for Im calculation estimated from multimodal imaging (MRI, UC-kVCT and UC-MVCT) versus physical measurements (PM).

wH2O (%) wHA (%) htot (%) horg (%) ρ (g/cc)
Skin 91.5 (MRI)
75.0 ± 0.15 (PM)
6.5 (UC – kV) 10.9 (UC – kV) 5.9 (UC – kV) 1.05 (UC – kV)
11.4 (UC – MV) 10.3 (UC – MV) 5.4 (UC – MV) 1.11 (UC – MV)
0 ± 0.0 (PM) 9.4 ± 0.02 (PM) 4.0 ± 0.01 (PM) 1.06 ± 0.002 (PM)

Muscle 83.9 (MRI)
74.8 ± 0.15 (PM)
4.8 (UC – kV) 11.1 (UC – kV) 24.7 (UC – kV) 1.03 (UC – kV)
7.6 (UC – MV) 10.7 (UC – MV) 15.2 (UC – MV) 1.06 (UC – MV)
0 ± 0.0 (PM) 9.8 ± 0.02 (PM) 5.7 ± 0.01 (PM) 1.04 ± 0.002 (PM)

Adipose 38.3 (MRI)
46.8 ± 0.09 (PM)
0.5 (UC – kV) 11.9 (UC – kV) 12.3 (UC – kV) 0.97 (UC – kV)
1.5 (UC – MV) 11.7 (UC – MV) 12.3 (UC – MV) 0.98 (UC – MV)
0 ± 0.0 (PM) 12.0 ± 0.02 (PM) 12.8 ± 0.03 (PM) 0.95 ± 0.02 (PM)

Spongiosa 17.5 (MRI)
26.6 ± 0.05 (PM)
15.8 (UC – kV) 9.6 (UC – kV) 11.4 (UC – kV) 1.16 (UC – kV)
7.9 (UC – MV) 10.5 (UC – MV) 11.4 (UC – MV) 1.06 (UC – MV)
12.8 ± 0.03 (PM) 9.0 ± 0.02 (PM) 10.0 ± 0.02 (PM) 1.06 ± 0.002 (PM)