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Table 7 Average results over the five patients from dose plan analysis on target volumes and healthy tissue.

From: On the performances of Intensity Modulated Protons, RapidArc and Helical Tomotherapy for selected paediatric cases

  Obj HT IMP RA
PTVII
D1% [%] - 106.4 ± 6.3 106.6 ± 2.0 104.6 ± 1.9
D99% [%] - 89.3 ± 6.8 85.5 ± 8.5 91.6 ± 3.0
V90% [%] 100% 98.9 ± 1.4 98.1 ± 1.5 99.4 ± 0.8
V95% [%] 100% 96.7 ± 2.3 94.8 ± 2.4 95.6 ± 3.7
V107% [%] 0% 1.1 ± 2.0 1.0 ± 0.9 0.4 ± 0.8
V110% [%] 0% 0.6 ± 1.3 0.2 ± 0.3 0.1 ± 0.1
SD [Gy] - 3.8 ± 2.6 5.0 ± 3.1 3.4 ± 1.5
D5–D95 [Gy] - 6.6 ± 3.7 8.3 ± 4.0 7.4 ± 3.8
CI90 1.0 1.3 ± 0.5 1.1 ± 0.1 1.2 ± 0.3
PTVI-PTVII
D1% [%] - 113.1 ± 9.9 114.1 ± 5.7 113.0 ± 12.0
D99% [%] - 93.2 ± 2.6 91.8 ± 4.8 93.6 ± 1.7
V90% [%] 100% 99.6 ± 0.5 98.9 ± 1.4 99.8 ± 0.3
V95% [%] 100% 98.2 ± 1.2 93.6 ± 6.5 98.2 ± 2.0
V107% [%] 0% 15.4 ± 13.9 15.4 ± 20.2 12.3 ± 14.4
V110% [%] 0% 6.1 ± 5.2 3.1 ± 2.6 3.8 ± 3.4
D5–D95 [%] - 9.6 ± 4.8 11.8 ± 1.7 10.6 ± 4.6
SD [%] - 3.4 ± 1.7 4.1 ± 0.4 3.7 ± 1.8
Healthy tissue
Mean Gy] Minim 10.5 ± 5.0 4.9 ± 5.2 9.3 ± 4.7
V10 Gy [cm3] Minim 41.5 ± 21.7 18.8 ± 21.5 33.8 ± 20.3
EI [%] Minim 1.6 ± 1.8 2.3 ± 2.2 1.4 ± 1.6
DosInt [105 *Gy*cm3] Minim 1.1 ± 1.0 0.4 ± 0.4 0.9 ± 0.9