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Table 4 Pelvis (Prescription 51.6 Gy [45.0.-56.0])

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] = 817.6 ± 527.5)

 Mean [%]

98.5 ± 3.3

100.3 ± 3.3

98.9 ± 3.2

a,c

 D5%- D95% [%]

6.8 ± 0.9

6.3 ± 1.0

6.7 ± 1.2

a,c

 V95% [%]

80.3 ± 35.1

88.9 ± 22.2

82.5 ± 28.7

 

 V105% [%]

1.1 ± 1.6

4.4 ± 5.6

1.8 ± 3.8

 

 CI90%

1.2 ± 0.1

1.3 ± 0.1

1.2 ± 0.1

a,c

Bladder ( Volume [cm3] = 259.3 ± 114.6)

 Mean [%]

70.4 ± 16.4

72.2 ± 16.8

70.6 ± 16.5

a,c

 D1% [%]

101.6 ± 2.5

103.6 ± 2.8

102.1 ± 2.8

a,c

 D67% [%]

55.3 ± 29.0

56.7 ± 29.7

55.2 ± 29.1

a,c

Rectum ( Volume [cm3] = 101.6 ± 44.8)

 Mean [%]

68.4 ± 17.3

70.0 ± 17.5

68.3 ± 16.9

a,c

 D1% [%]

100.4 ± 4.2

101.9 ± 4.0

100.6 ± 4.1

a,c

 D67% [%]

53.4 ± 28.1

55.0 ± 28.5

53.3 ± 27.9

a,c

Femurs ( Volume [cm3] = 172.7 ± 46.3)

 Mean [%]

38.9 ± 6.8

40.0 ± 7.0

38.7 ± 7.0

a,c

 D1% [%]

75.8 ± 17.9

77.9 ± 18.5

76.0 ± 17.9

a,c

 D1.8cm3 [%]

75.7 ± 18.0

77.8 ± 18.6

75.9 ± 18.0

a,c

Bowel ( Volume [cm3] = 1062.2 ± 903.1)

 Mean [%]

28.0 ± 19.4

28.8 ± 19.6

27.3 ± 19.2

a,b,c

 D1% [%]

68.8 ± 45.9

69.9 ± 46.3

68.5 ± 45.9

a,c

 D1.8cm3 [%]

69.0 ± 48.1

69.9 ± 48.4

68.5 ± 48.0

a,b,c

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