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Table 3 Dosimetric data of organs at risk

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

Bladder

WP

Volume

314 ± 117.52 cm 3

          
  

Maximum dose (cGy)

Minimum dose (cGy)

Mean dose (cGy)

V10% (%)

V20% (%)

V30% (%)

V40% (%)

V50% (%)

V60% (%)

V70% (%)

V80% (%)

V90% (%)

V100% (%)

AAA

Mean

4747.15

1266.97

3595.53

100.00

99.97

98.59

96.02

90.12

78.44

67.44

58.39

49.97

35.52

 

(SD)

149.54

403.32

284.69

0.00

0.08

2.62

6.12

7.83

9.52

11.31

12.95

14.26

13.70

AXB

Mean

4732.93

1236.55

3585.11

100.00

99.96

98.49

95.71

89.69

77.93

67.11

58.24

49.95

35.48

 

(SD)

172.23

388.58

287.13

0.00

0.10

2.76

6.13

7.89

9.52

11.31

13.00

14.32

13.71

 

p

0.114

0.059

0.005

1

0.109

0.138

0.012

0.007

0.005

0.005

0.047

0.959

0.646

Bladder

PB

Volume

278.8 ± 109.23 cm 3

          
  

Maximum dose (cGy)

Minimum dose (cGy)

Mean dose (cGy)

V10% (%)

V20% (%)

V30% (%)

V40% (%)

V50% (%)

V60% (%)

V70% (%)

V80% (%)

V90% (%)

V100% (%)

AAA

Mean

2365.24

35.61

776.31

53.23

45.04

40.66

36.44

31.78

27.51

23.91

20.98

18.42

14.61

 

(SD)

21.69

34.74

280.98

17.47

15.81

15.21

14.96

13.98

12.58

11.14

9.94

8.92

7.56

AXB

Mean

2377.19

32.77

775.61

52.16

45.01

40.74

36.52

31.84

27.58

24.05

21.19

18.60

14.96

 

(SD)

32.42

32.39

284.16

17.25

15.85

15.30

15.03

14.04

12.66

11.27

10.10

9.08

7.90

 

p

0.114

0.005

0.646

0.007

0.093

0.799

0.646

0.508

0.444

0.047

0.007

0.013

0.285

Rectum

WP

Volume

44.47 ± 19.44 cm 3

          
  

Maximum dose (cGy)

Minimum dose (cGy)

Mean dose (cGy)

V10% (%)

V20% (%)

V30% (%)

V40% (%)

V50% (%)

V60% (%)

V70% (%)

V80% (%)

V90% (%)

V100% (%)

AAA

Mean

4650.79

546.54

2991.27

99.45

95.35

88.80

80.75

70.69

61.36

51.85

41.34

29.25

11.98

 

(SD)

55.88

178.89

337.26

1.18

4.25

8.93

10.28

11.61

13.17

13.29

11.31

9.51

7.18

AXB

Mean

4694.80

516.34

2981.62

99.39

94.36

88.32

80.86

70.96

61.61

51.75

40.53

28.22

12.96

 

(SD)

58.69

169.66

347.89

1.30

5.22

9.37

10.51

11.76

13.31

13.57

11.91

10.01

7.14

 

p

0.028

0.013

0.386

0.109

0.007

0.013

0.203

0.575

0.386

0.878

0.508

0.241

0.093

Rectum

PB

Volume

108.26 ± 13.7 cm 3

          
  

Maximum dose (cGy)

Minimum dose (cGy)

Mean dose (cGy)

V10% (%)

V20% (%)

V30% (%)

V40% (%)

V50% (%)

V60% (%)

V70% (%)

V80% (%)

V90% (%)

V100% (%)

AAA

Mean

2300.09

80.53

1041.95

92.07

83.50

64.17

48.57

39.04

31.64

25.34

19.90

14.54

4.66

 

(SD)

22.59

35.67

115.34

7.34

10.20

10.26

6.94

5.65

5.77

5.93

5.54

4.59

2.50

AXB

Mean

2331.40

76.05

1038.99

92.83

84.35

68.70

52.15

40.24

30.99

23.02

16.03

10.36

4.15

 

(SD)

30.64

34.04

108.82

5.29

8.07

8.55

7.66

6.66

6.56

6.02

4.68

2.92

1.42

 

p

0.007

0.005

0.646

0.169

0.799

0.009

0.007

0.093

0.285

0.005

0.005

0.005

0.333

  1. WP = Whole pelvis; AAA = Anisotropic Analytical Algorithm; AXB = Acuros XB; SD = Standard deviation.