Carbon ion radiotherapy | SBRT with photons | P value | |
---|---|---|---|
PTV D90 | 59.6 ± 0.2 (GyRBE) | 56.6 ± 0.3 (Gy) | p < 0.05 |
HI | 1.19 ± 0.03 | 1.21 ± 0.01 | p = 0.61 |
CI | 0.79 ± 0.06 | 0.37 ± 0.02 | p < 0.05 |
Mean liver dose | 8.1 ± 1.4 (GyRBE) | 16.1 ± 2.5 (Gy) | p < 0.05 |
Liver V5 | 20.2 ± 3.2 % | 53.8 ± 7.2 % | p < 0.05 |
Liver V20 | 14.2 ± 2.5 % | 31.5 ± 6.2 % | p < 0.05 |
Liver V30 | 11.6 ± 2.3 % | 19.7 ± 4.1 % | p = 0.11 |
Liver V50 | 8.5 ± 1.8 % | 9.7 ± 2.1 % | p = 0.67 |
D max of GI tract | 8.4 ± 4.3 (GyRBE) | 17.4 ± 7.1 (Gy) | p = 0.29 |