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Table 2 Average and standard deviation results for select target and OAR DVH metrics with 95 % confidence intervals in parentheses

From: Dosimetric evaluation of synthetic CT relative to bulk density assignment-based magnetic resonance-only approaches for prostate radiotherapy

 

CT-SIM

MRW

MRW+B491

MRW+B300

synCT

PTV

 D95 (Gy)

74.9 ± 3.5 (72.9, 76.8)

75.2 ± 3.9 (73.2, 77.2)

73.5 ± 3.7 (71.5, 75.6)

74.2 ± 3.8 (72.1, 76.3)

75.1 ± 3.7 (73.2, 77.0)

 D99 (Gy)

73.1 ± 3.8 (71.0, 75.2)

73.5 ± 4.1 (71.4, 75.6)

71.8 ± 4.2 (69.4, 74.1)

72.5 ± 4.2 (70.1, 74.8)

73.3 ± 3.8 (71.2, 75.4)

 Mean Dose (Gy)

76.8 ± 3.4 (74.9, 78.7)

77.1 ± 3.8 (75.2, 79.1)

75.5 ± 3.6 (73.6, 77.5)

76.2 ± 3.7 (74.2, 78.3)

77.2 ± 3.6 (75.2, 79.2)

Bladder

 D15 (Gy)

65.0 ± 10.4 (59.3, 70.8)

64.9 ± 10.2 (59.3, 70.6)

63.5 ± 10.6 (57.6, 69.4)

64.0 ± 10.8 (58.0, 70.0)

65.0 ± 10.6 (59.1, 70.9)

 D25 (Gy)

51.1 ± 10.5 (45.2, 56.9)

50.8 ± 10.4 (45.0, 56.5)

50.0 ± 10.7 (44.0, 55.8)

50.2 ± 10.9 (44.1, 56.2)

51.0 ± 10.5 (45.1, 56.8)

 D35 (Gy)

39.1 ± 10.9 (33.1, 45.2)

38.8 ± 10.8 (32.9, 44.8)

38.4 ± 10.8 (32.5, 44.4)

38.6 ± 10.9 (32.5, 44.6)

39.0 ± 10.9 (33.0, 45.1)

Rectum

 D15 (Gy)

64.0 ± 6.0 (60.6, 67.3)

64.2 ± 6.3 (61.0, 67.4)

63.1 ± 6.1 (60.0, 66.1)

63.6 ± 6.2 (60.4, 66.7)

64.3 ± 6.3 (61.0, 68.0)

 D25 (Gy)

55.4 ± 6.9 (51.6, 59.2)

55.5 ± 7.0 (51.9, 59.0)

54.7 ± 6.8 (51.3, 58.2)

55.1 ± 6.9 (51.6, 58.6)

55.8 ± 6.8 (52.0, 59.8)

 D35 (Gy)

48.8 ± 7.4 (44.7, 52.9)

48.9 ± 7.4 (45.2, 52.6)

48.3 ± 7.3 (44.6, 52.0)

48.6 ± 7.3 (44.9, 52.3)

49.2 ± 7.5 (45.4, 53.0)

Penile Bulb

 D90 (Gy)

13.9 ± 16.9 (4.2, 23.6)

14.9 ± 17.0 (4.9, 24.5)

14.6 ± 16.8 (5.1, 24.7)

14.7 ± 16.9 (5.1, 24.8)

14.8 ± 17.2 (4.7, 24.8)