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Table 2 HN (Prescription 63.2 Gy [50.0.-70.5])

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] = 263.4 ± 213.3)

 Mean [%]

100.2 ± 0.8

101.1 ± 1.4

100.8 ± 1.0

a,b

 D5%- D95% [%]

7.0 ± 2.6

7.1 ± 4.3

6.9 ± 3.6

 

 V95% [%]

96.2 ± 2.0

96.8 ± 3.7

96.7 ± 3.0

 

 V105% [%]

1.1 ± 1.9

4.4 ± 8.3

2.3 ± 4.7

 

 CI95%

1.9 ± 0.8

2.2 ± 1.1

2.0 ± 0.9

 

Spinal Cord ( Volume [cm3] = 22.9 ± 4.5)

 D1% [%]

61.8 ± 3.7

63.7 ± 3.5

62.5 ± 3.3

a,c

 D1.8cm3 [%]

60.0 ± 3.7

61.7 ± 3.7

60.5 ± 3.6

a,c

Parotids ( Volume [cm3] = 38.5 ± 19.0)

 Mean [%]

48.4 ± 11.6

49.9 ± 11.4

49.0 ± 11.6

a,b,c

 D33% [%]

68.0 ± 21.0

69.1 ± 19.7

68.1 ± 20.1

c

 D67% [%]

24.6 ± 10.7

26.9 ± 11.7

26.2 ± 11.6

a

Oral Cavity ( Volume [cm3] = 76.1 ± 3.8)

 Mean [%]

66.7 ± 13.8

67.4 ± 14.1

67.3 ± 14.1

a

 D1% [%]

99.6 ± 1.2

99.0 ± 1.4

99.6 ± 0.9

 

 D33% [%]

76.0 ± 12.1

76.7 ± 12.5

76.5 ± 12.4

 

Larynx ( Volume [cm3] = 37.1 ± 19.9)

 Mean [%]

67.8 ± 3.7

69.0 ± 3.7

69.1 ± 3.7

a,b

 D1% [%]

93.1 ± 6.4

94.0 ± 7.5

92.8 ± 7.3

c

 D33% [%]

73.6 ± 4.2

74.8 ± 4.3

74.8 ± 4.3

a,b

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