Organ at Risk

Volume Received × Gy

IMRT

BMS-IMRT

P-value

Mean

Median

(Range)

Mean

Median

(Range)

PBM (all)

V5

98.93

98.42 (98 - 100)

98.96

98.47 (98 - 100)

0.54

V10

94.33

94.70 (89 - 99)

94.49

95.05 (89 - 99)

0.52

V20

80.59

83.22 (73 - 86)

78.03

78.33 (73 - 83)

0.4

V30

63.13

64.67 (59 - 65)

58.38

59.79 (55 - 60)

0.25

V40

42.09

43.66 (38 - 45)

37.68

34.58 (34 - 45)

0.34

V45

48.83

24.25 (22 - 100)

46.58

20.27 (19 - 100)

0.24

Iliac

V5

99.73

100 (99 - 100)

76.02

99.55 (5 - 100)

0.4

V10

97.62

99.28 (94 - 100)

75.75

96.68 (10 - 100)

0.59

V20

84.36

85.91 (78 - 89)

66.7

79.09 (20 - 89)

0.42

V30

61.08

59.19 (52 - 72)

51.57

51.62 (30 - 73)

0.47

V40

38.13

41.26 (24 - 49)

35.42

34.93 (20 - 51)

0.4

V45

20.77

22.05 (12 - 28)

25.19

22.87 (10 - 45)

0.008

Pubis

V5

71.94

100 (100 - 100)

98.05

100 (100 - 100)

0.01

V10

65.30

100 (100 - 100)

93.62

100 (100 - 100)

0.01

V20

59.77

88.3484 - 100

88.28

86.16 (85 - 98)

0.01

V30

54.71

68.28 (60 - 85)

57.02

61.74 (61 - 73)

0.33

V40

48.37

43.90 (35 - 56)

47.28

41.56 (36 - 98)

0.8

V45

33.71

26.99 (21 - 31)

41.87

24.32 (22 - 28)

0.34

Lumbosacral

V5

75.97

99.44 (5 - 100)

75.97

99.44 (5 - 100)

0

V10

74.37

93.74 (10 - 100)

74.42

93.84 (10 - 100)

0.4

V20

75.58

91.16 (20 - 100)

75.14

90.28 (20 - 100)

0.44

V30

71.94

82.43 (30 - 93)

68.59

77.16 (30 - 90)

0.3

V40

62.06

65.32 (61 - 78)

58.20

57.47 (40 - 78)

0.27

V45

49.32

45.18 (40 - 78)

47.31

43.98 (32 - 70)

0.2

Rectum

V30

97.16

97.92 (94 - 100

97.15

98.13 (93 - 100)

0.9

V40

65.79

71.67 (53 - 72)

73.90

71.33 (71 - 80)

0.46

V45

45.89

43.38 (37 - 50

45.62

48.98 (35 - 55)

0.88

Bladder

V30

93.93

94.22 (89 - 98)

92.89

91.91 (90 - 97)

0.08

V40

72.21

68.69 (66 - 82)

70.88

68.99 (64 - 80)

0.027

V45

50.21

50.91 (40.44 - 59.29)

49.35

50.96 (39 - 58)

0.011