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Table 2 Target coverage, homogeneity, and conformity indices of the planning target volume

From: Dosimetric effects of the acuros XB and anisotropic analytical algorithm on volumetric modulated arc therapy planning for prostate cancer using an endorectal balloon

 

Whole pelvic radiotherapy

 

Prostatic bed-only radiotherapy

 
 

AAA

AXB

p

AAA

AXB

p

Maximum Dose (cGy)

4742.09 ± 22.80

4792.10 ± 19.04

0.005

2377.51 ± 17.18

2399.08 ± 14.92

0.028

Minimum Dose (cGy)

3330.66 ± 226.58

3259.04 ± 226.00

0.285

1887.38 ± 133.54

1687.91 ± 218.88

0.005

Mean Dose (cGy)

4465.49 ± 13.67

4463.18 ± 11.16

0.037

2233.12 ± 8.17

2230.54 ± 7.94

0.333

95% Isodose Volume (cm3)

819.53 ± 128.25

820.56 ± 128.71

0.037

168.96 ± 35.32

166.83 ± 36.14

0.022

V107% (%)

0.01 ± 0.01

0.03 ± 0.02

0.005

0.04 ± 0.04

0.13 ± 0.10

0.005

V100% (%)

81.81 ± 3.00

81.08 ± 2.82

0.013

83.19 ± 4.34

83.85 ± 2.44

0.959

V95% (%)

97.77 ± 0.43

97.76 ± 0.49

0.878

98.40 ± 0.76

96.62 ± 1.10

0.005

D2% (%)

104.75 ± 0.44

104.88 ± 0.36

0.017

104.42 ± 0.38

104.69 ± 0.33

0.161

D98% (%)

94.86 ± 0.50

94.86 ± 0.59

0.859

95.49 ± 0.83

92.46 ± 1.92

0.005

Homogeneity Index

0.097 ± 0.007

0.098 ± 0.008

0.059

0.088 ± 0.007

0.120 ± 0.019

0.005

Conformity Index

1.047 ± 0.071

1.048 ± 0.071

0.059

1.053 ± 0.041

1.038 ± 0.031

0.022

Conformation Number

0.916 ± 0.049

0.915 ± 0.049

0.203

0.920 ± 0.026

0.900 ± 0.028

0.007

 First Factor

0.978 ± 0.004

0.978 ± 0.005

0.878

0.984 ± 0.008

0.966 ± 0.011

0.005

 Second Factor

0.937 ± 0.052

0.936 ± 0.052

0.074

0.935 ± 0.030

0.932 ± 0.026

0.241

  1. AAA = Anisotropic Analytical Algorithm; AXB = Acuros XB.