Table 1 Voxel-level dose rate errors (mean ± std) of static patient images (n = 80) and their differences to the ground truth were statistically analyzed with paired t-test.
\({\bf{M}}{\bf{e}}{\bf{a}}{\bf{n}}\,{\bf{v}}{\bf{o}}{\bf{x}}{\bf{e}}{\bf{l}}\,{\textstyle \text{-}}\,{\bf{l}}{\bf{e}}{\bf{v}}{\bf{e}}{\bf{l}}\,{\bf{d}}{\bf{o}}{\bf{s}}{\bf{e}}\,{\rm{ \% }}\,{\bf{d}}{\bf{i}}{\bf{f}}{\bf{f}}{\bf{e}}{\bf{r}}{\bf{e}}{\bf{n}}{\bf{c}}{\bf{e}}=\,{{\boldsymbol{\sum }}}_{1}^{{\boldsymbol{n}}}|\frac{{\boldsymbol{M}}{\boldsymbol{e}}{\boldsymbol{t}}{\boldsymbol{h}}{\boldsymbol{o}}{{\boldsymbol{d}}}_{{\boldsymbol{n}}}^{\ast }-{\boldsymbol{D}}{\boldsymbol{M}}{{\boldsymbol{C}}}_{{\boldsymbol{n}}}^{{\rm{\S }}}}{{\boldsymbol{D}}{\boldsymbol{M}}{{\boldsymbol{C}}}_{{\boldsymbol{n}}}}|/{\boldsymbol{n}}\times {\bf{100}}\) | ||
|---|---|---|
Method | VSV | Deep-dose |
Mean ± Std (%) | Mean ± Std (%) | |
Gallbladder wall | 1.38 ± 1.37 | 2.13 ± 1.70 |
NS | NS | |
Heart wall | 5.83 ± 2.16 | 1.88 ± 1.27 |
p < 0.005 | NS | |
Kidney | 1.44 ± 1.14 | 0.86 ± 0.67 |
NS | NS | |
Liver | 1.13 ± 0.68 | 1.10 ± 0.67 |
NS | NS | |
Lung | 57.09 ± 2.07 | 1.41 ± 1.29 |
p < 0.001 | p < 0.05 | |
Pancreas | 1.05 ± 0.98 | 1.47 ± 1.21 |
NS | NS | |
Spleen | 0.94 ± 0.68 | 0.85 ± 0.61 |
p < 0.01 | NS | |
Stomach wall | 4.01 ± 2.02 | 2.01 ± 1.61 |
p < 0.05 | NS | |
Whole-body (avg) | 9.97 ± 1.79 | 2.54 ± 2.09 |
