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Table 3 Thorax (Prescription 46.2 Gy [39.6.-50.0])

From: Critical appraisal of the accuracy of Acuros-XB and Anisotropic Analytical Algorithm compared to measurement and calculations with the compass system in the delivery of RapidArc clinical plans

Parameter

Acuros XB

AAA

CC

p

PTV ( Volume [cm3] = 516.8 ± 398.3)

 Mean [%]

100.3 ± 1.0

101.2 ± 0.4

100.9 ± 1.2

 

 D5%- D95% [%]

10.3 ± 1.6

9.8 ± 3.0

10.8 ± 2.6

c

 V95% [%]

94.3 ± 2.2

95.3 ± 2.4

94.4 ± 3.3

a

 V105% [%]

4.1 ± 2.4

6.8 ± 5.7

7.0 ± 5.1

 

 CI90%

1.8 ± 1.2

1.9 ± 1.2

2.0 ± 1.1

 

Ipsil Lung ( Volume [cm3] = 1700.2 ± 318.3)

 Mean [%]

43.3 ± 24.7

43.3 ± 24.7

42.6 ± 24.5

 

 V20Gy [%]

48.0 ± 25.7

47.8 ± 25.7

47.5 ± 25.7

b

 D1% [%]

104.3 ± 0.9

103.9 ± 0.9

104.5 ± 0.2

a

Contr Lung ( Volume [cm3] = 2048.4 ± 42.1)

 Mean [%]

9.6 ± 2.6

9.8 ± 2.8

9.1 ± 2.3

 

 V20Gy [%]

3.2 ± 2.6

3.2 ± 2.6

3.0 ± 2.4

 

 D1% [%]

58.2 ± 19.3

58.8 ± 19.9

57.1 ± 18.2

 

Lungs ( Volume [cm3] = 3382.7 ± 479.6)

 Mean [%]

24.5 ± 7.0

24.9 ± 7.2

23.9 ± 6.9

b,c

 V20Gy [%]

19.8 ± 7.7

19.9 ± 7.7

19.4 ± 7.7

b,c

 D1% [%]

98.4 ± 4.5

98.4 ± 4.3

98.2 ± 4.6

 

Heart ( Volume [cm3] = 501.3 ± 31.4)

 Mean [%]

39.7 ± 27.0

40.4 ± 27.6

39.7 ± 27.3

c

 D1% [%]

101.9 ± 3.0

103.5 ± 3.0

102.2 ± 3.9

a

Spinal Canal ( Volume [cm3] = 31.9 ± 3.3)

 D1% [%]

67.6 ± 23.3

68.5 ± 23.5

67.9 ± 23.1

a

 D1.8cm3 [%]

63.7 ± 23.4

64.5 ± 23.5

64.1 ± 23.5

b

  1. a Acuros vs AAA, b Acuros vs CC, c AAA vs CC.