Organ at Risk Volume Received × Gy | 3DCRT (Box technique) | BMS-IMRT | P-value | |||
Mean | Median (Range) | Mean | Median (Range) | |||
PBM (all) | V5 | 99.05 | 99.16 (98 - 100) | 98.96 | 98.47 (98 - 100) | 0.9 |
V10 | 95.66 | 95.64 (95 - 97) | 94.49 | 95.05 (89 - 99) | 0.6 | |
V20 | 91.81 | 91.99 (91 - 92) | 78.03 | 78.33 (73 - 83) | 0.03 | |
V30 | 65.16 | 67.73 (57 - 70) | 58.38 | 59.79 (55 - 60) | 0.3 | |
V40 | 52.25 | 51.09 (50 - 55) | 37.68 | 34.58 (34 - 45) | 0.08 | |
V45 | 63.68 | 64.08 (44.02 - 100) | 46.58 | 20.27 (19 - 100) | 0.18 | |
Iliac | V5 | 98.05 | 99.63 (95 - 100) | 76.02 | 99.55 (5 - 100) | 0.44 |
V10 | 93.62 | 95.14 (88 - 97) | 75.75 | 96.68 (10 - 100) | 0.37 | |
V20 | 88.28 | 91.29 (81 - 92) | 66.7 | 79.09 (20 - 89) | 0.06 | |
V30 | 57.02 | 51.83 (49 - 70) | 51.57 | 51.62 (30 - 73) | 0.22 | |
V40 | 47.28 | 41.05 (37 - 64) | 35.42 | 34.93 (20 - 51) | 0.01 | |
V45 | 41.87 | 35.08 (32 - 59) | 25.19 | 22.87 (10 - 45) | 0.01 | |
Pubis | V5 | 99.85 | 100 (100 - 100) | 98.05 | 100 (100 - 100) | 0.4 |
V10 | 98.42 | 99.57 (96 - 100) | 93.62 | 100 (100 - 100) | 0.36 | |
V20 | 94.90 | 96.91 (88 - 100) | 88.28 | 86.16 (85 - 98) | 0.24 | |
V30 | 78.82 | 80.65 (56 - 100) | 57.02 | 61.74 (61 - 73) | 0.28 | |
V40 | 67.83 | 71.83 (35 - 97) | 47.28 | 41.56 (36 - 98) | 0.46 | |
V45 | 59.2 | 57.36 (28 - 92) | 41.87 | 24.32 (22 - 28) | 0.17 | |
Lumbosacral | V5 | 75.57 | 98.63 (5 - 100) | 75.97 | 99.44 (5 - 100) | 0.4 |
V10 | 74.98 | 94.96 (10 - 100) | 74.42 | 93.84 (10 - 100) | 0.4 | |
V20 | 76.39 | 92.79 (20 - 100) | 75.14 | 90.28 (20 - 100) | 0.18 | |
V30 | 78.82 | 88.67 (30 - 98) | 68.59 | 77.16 (30 - 90) | 0.18 | |
V40 | 62.69 | 64.68 (40 - 81) | 58.20 | 57.47 (40 - 78) | 0.22 | |
V45 | 56.53 | 52.26 (45 - 77) | 47.31 | 43.98 (32 - 70) | 0.04 | |
Rectum | V30 | 100 | 100 (100 - 100) | 97.15 | 98.13 (93 - 100) | 0.27 |
V40 | 94.65 | 99.9 (84 - 100) | 73.90 | 71.33 (71 - 80) | 0.04 | |
V45 | 86.9 | 88.90 (75 - 98) | 45.62 | 48.98 (35 - 55) | 0.03 | |
Bladder | V30 | 99.97 | 100 (95 - 100) | 92.89 | 91.91 (90 - 97) | 0.08 |
V40 | 98.35 | 100 (87 - 100) | 70.88 | 68.99 (64 - 80) | 0.027 | |
V45 | 95.63 | 100 (100 - 100) | 49.35 | 50.96 (39 - 58) | 0.01 |