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Table 3 Dosmetric values for whole bladder treatment

From: A dosimetric comparison of 3D conformal vs intensity modulated vs volumetric arc radiation therapy for muscle invasive bladder cancer

 

3DCRT

IMRT

VMAT

 

Mean (min-max, st dev)

Mean (min-max, stdev)

Mean (min-max, stdev)

CTV MAX

66.8 (65.1-68.4, 0.94)

66.1 (65.5-66.7, 0.41)

66.7(65.7-68, 0.65)

CTV MIN

63.1 (62.2-63.7,0.44)

62.4 (61.9-63.1, 0.34)

61.8(61–62.6, 0.49)

CTV MEAN

64.4 (64.2-64.5, 0.11)

64.3 (63.8-64.5, 0.2)

64.3(63.9-64.5, 0.19)

CTV MEDIAN

64.2 (63.9-64.4,0.15)

64.4 (63.7-64.6, 0.24)

64.4(63.9-64.6, 0.2)

CTV D98%

63.4 (62.9-63.9,0.3)

63 (62.7-63.7, 0.27)

62.9(62.4-63.5, 0.35)

CTV D2%

66.1 (64.8-67.5,0.74)

65.6 (64.8-66.2, 0.4)

65.6 (64.9-66.1, 0.36)

CTV D99 > 60.8Gy

63.3 (62.8-63.8,0.32)

62.9 (62.6-63.6, 0.28)

62.7(62.2-63.4, 0.39)

PTV MAX

66.9 (65.3-68.5, 0.9)

67 (66–68, 0.63)

68.2(67.1-69.5, 0.7)

PTV MIN

58.9 (56.7-60.6,1,17)

54 (46.5-58.1, 3.68)

54.4(45.2-58.6, 3.16)

PTV MEAN

64.2 (63.9-64.4,0.16)

64.2 (63.9-64.6, 0.2)

64.2(63.5-64.7, 0.33)

PTV MEDIAN

64.2 (63.9-64.4, 0.17)

64.4 (64–64.8, 0.22)

64.3(63.9-64.9, 0.27)

PTV V95% (cc)

624 (299–987, 208)

495 (244–765, 159)

490(246–751, 150)

PTV D95%

62.3 (61.6-63, 0.42)

62.3 (61.5-62.7, 0.31)

61.8(59.6-62.8, 0.82)

PTV D2%

66.5 (65.1-68, 0.82)

65.9 (65.2-66.2, 0.32)

66.3(65.7-67, 0.39)

PTV D50%

64.2 (63.9-64.4, 0.17)

64.4 (64–64.8, 0.22)

64.3(63.9-64.9, 0.28)

PTV D99 > 60.8Gy

61.1 (60.4-62.3, 0.54)

60.4 (59.6-61.3, 0.55)

60.2(57–61.6, 1.11)

PTV D98 > 60.8Gy

61.6 (60.9-62.6,0.51)

61.2 (60.4-61.8, 0.36)

60.8(58.2-62, 0.97)

Paddix Index

0.75 (0.71-0.8, 0.02)

0.92 (0.87-0.97, 0.03)

0.91(0.88-0.94, 0.02)

RECTUM MEDIAN

35 (16.4-58.1,12)

36.7 (19.4-44.8, 5.89)

39.6(19.9-51.3, 7.6)

RECTUM D98%

9.06(1.58-24.4, 8.06)

6.38 (2.19-16.4, 4.93)

7.37(2.54-19.9, 5.3)

RECTUM D2%

62.1(41.6-64.8, 5.71)

62.4 (50.3-65.3, 3.44)

63.3(45–66.8, 5.18)

RECTUM D60 < 40Gy

31.2 (14.2-54.2, 11.2)

33 (14.5-37.9, 5.75)

34.3(14.4-44.9, 8)

RECTUM D50 < 50Gy

35 (16.4-58.2,12)

36.8 (19.4-44.8, 5.85)

39.4(19.9-51.2, 7.71)

RECTUM D40 < 64Gy

40.7 (18.7-60.5, 12)

40.7 (25.1-51.4, 5.77)

44.1(23.4-57.3, 7.96)

RT FEMUR MEDIAN

40 (36–43.2, 2.8)

21.5 (19.5-23, 1.08)

17.3(13.1-21.5, 2.77)

RT FEMUR D98%

9.55 (1.84-31.8, 7.84)

2.62 (1.46-6.61, 1.37)

2.27(1.32-4.2, 0.84)

RT FEMUR D2%

49.9 (41.2-61, 4.9)

34.8 (25.4-51.9, 6.74)

35.1(28–52, 5.99)

RT FEMUR D100 < 35Gy

5.24 (1.32-19, 4.73)

1.74 (1.16-3.2, 0.58)

1.65(0.9-2.83, 0.61)

RT FEMUR D60 < 45Gy

38.5(32.6-42.3, 2.97)

20.6 (18.5-22.2, 1.24)

15.4(11.5-20.5, 3.14)

RT FEMUR D10 < 50Gy

46.4(39.6-50.7, 3.41)

28.6 (23.8-37.5, 3.88)

29(22.6-40.8, 4.23)

LT FEMUR MEDIAN

39.9 (35.4-43.2, 2.83)

22.1(20.7-24.3, 1.07)

15.5(12.1-18.8, 2.4)

LT FEMUR D98%

10.4 (1.6-32.1, 8.66)

2.79 (1.32-7.38, 1.71)

2.51(1.16-5.12, 1.12)

LT FEMUR D2%

47.8 (41.7-51.6, 3.36)

32.3 (26.6-42.6, 4.24)

32.4(26.1-38.9, 3.38)

LT FEMUR D100 < 35Gy

5.45 (1.17-15.8, 4.37)

1.75(0.92-3.28, 0.69)

1.84(0.88-3.88, 0.85)

LT FEMUR D60 < 45Gy

37.3 (29.2-42.1, 3.84)

21.4(19.8-23.4,1.09)

12.9(8.48-15.4, 2.2)

LT FEMUR D10 < 50Gy

45.1(39.4-49.8, 3.38)

26.7(24.5-31.5,1.96)

27.2(21.2-32.2, 2.86)

NON-RECTAL BOWEL MEDIAN

48.9 (20.6-63.2, 14.2)

42.2 (11.3-62.9,14.5)

42(10.5-63, 14.3)

NON-RECTAL BOWEL D98%

13.6 (2.08-21.8, 6.51)

13.1(2.72-30.6,7.94)

12.5(2.73-29.1, 7.63)

NON-RECTAL BOWEL D2%

65 (62.1-67, 1.04)

65.3(64.6-66.1,0.47)

65.6(64.6-66.6, 0.52)

NON-RECTAL BOWEL D30 < 40Gy

58.7 (40.4-64.2, 7.06)

55.6(34.2-64.9,9.65)

55.6(36.5-64.5, 8.94)

NON-RECTAL BOWEL D0 < 45Gy

65.9 (64.3-67.8, 0.88)

66.1(65.3-67,0.54)

66.9(65.7-67.8, 0.64)

SMALL BOWEL MEDIAN

44.4 (16.1-63.5, 17)

38(15.9-63.7,15.2)

35.8(14.7-63.1, 15.6)

SMALL BOWEL D98%

18.1(2.19-55.2, 14.1)

13.4(3.04-29.4, 8.53)

12.2(3.13-27.2, 7.57)

SMALL BOWEL D2%

59.3(39–67.3, 10)

56.5(30–66.1,14.1)

56.3(29.4-66.9, 14.8)

SMALL BOWEL D30 < 40Gy

52.7 (21.3-64.7, 16.6)

49.9(23.6-63.7, 16)

49.5(21.5-64.5, 17.3)

SMALL BOWEL D0 < 45Gy

62.9 (49.9-67.8, 5.66)

60.3(33.5-67, 11.5)

60.4(31.5-68.4, 12.8)

LARGE BOWEL MEDIAN

48.8 (9.27-62.7, 14.9)

42.5(7.71-64, 15.1)

42.8(6.58-64, 14.7)

LARGE BOWEL D98%

13.5 (1.9-20.6, 6.11)

12.9(2.34-30.6, 7.62)

12(2.26-29.1, 7.26)

LARGE BOWEL D2%

64.9 (63.3-66.5, 0.92)

65.1(64.3-65.8, 0.48)

65.3(64.1-66.2, 0.65)

LARGE BOWEL D30 < 40Gy

58.9 (36.4-64, 7.24)

55.1(32.1-64.7, 9.77)

54.4(25.9-64.9, 11.3)

LARGE BOWEL D0 < 45Gy

65.5 (62.9-67.5, 1.12)

66(65.3-66.9, 0.48)

66.7(65.7-68.4, 0.77)