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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