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Table 3 Dosimetric parameters for CyberKnife and HyperArc plans of 16 patients

From: Dosimetric quality of HyperArc in boost radiotherapy for single glioblastoma: comparison with CyberKnife and manual VMAT

Structure

Dosimetric parameters

All (n = 16)

CyberKnife plan

HyperArc plan

M-VMAT plan

p value

Mean

Std

Mean

Std

Mean

Std

Tumor

CI

0.85

0.05

0.94

0.03

0.95

0.02

< 0.05

HI

0.42

0.04

0.35

0.10

0.38

0.06

0.154

GI

3.29

0.35

2.57

0.53

2.75

0.48

< 0.05

Dmean

36.36

0.78

34.92

1.30

36.22

0.97

< 0.05

Dmin

24.95

2.64

26.74

2.43

27.95

1.38

< 0.05

V95%

99.21

0.44

99.77

0.26

99.85

0.12

< 0.05

Normal tissue

V23Gy

22.50

6.85

11.84

6.69

15.69

7.37

0.144

V10Gy

110.57

71.29

69.82

40.37

77.89

34.40

0.282

Dmean

3.90

1.71

3.02

1.19

3.54

1.32

0.210

Organs at risk

Dmean_Brainstem

4.39

4.28

3.50

3.75

3.28

3.95

0.128

Dmean_Chiasma

4.53

2.83

3.08

1.55

2.89

2.84

0.189

Dmean_EyeL

1.77

2.15

1.04

0.80

1.18

1.98

0.325

Dmean_EyeR

1.37

0.83

0.93

0.66

0.95

0.50

0.160

Dmean_OptNerveL

3.06

3.90

1.87

1.71

1.99

1.80

0.054

Dmean_OptNerveR

2.74

1.69

1.78

1.12

1.76

1.01

0.422

  1. All the unit for Dose are Gy, the unit for volume are cm3
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Radiation Oncology

ISSN: 1748-717X

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