Table 3 Dosimetric results for organs at risk
organs | plans | IMRT | RA1 | RA2 |
|---|---|---|---|---|
bowel | Dmean (Gy) | 30.4 ± 7.8 | 29.9 ± 8.4 | 27.8 ± 7.3 |
|  | V30% (cc) | 70 ± 26.5 (343 ± 217) | 70 ± 27 (343 ± 268) | 61.8 ± 24.8 (314 ± 255) |
|  | V40% (cc) | 47.7 ± 29.5 (248 ± 182) | 49.5 ± 23 (252 ± 203) | 42.7 ± 20.8 (224 ± 118) |
|  | V45% (cc) | 35.3 ± 21 (193 ± 155) | 36.4 ± 19.8 (192 ± 159) | 31.5 ± 17.7 (171 ± 150) |
|  | V49.5% (cc) | 9.8 ± 15.8 (63 ± 95) | 14.9 ± 15.6 (84 ± 99) | 10.4 ± 11 (58 ± 82 |
bladder | Dmean (Gy) | 39.1 ± 4.2 | 38.8 ± 4.2 | 37.5 ± 5.4 |
|  | V30% | 81.9 ± 15.1 | 80.4 ± 13.6 | 70.3 ± 19.4 |
|  | V40% | 46 ± 17.3 | 45.6 ± 17.2 | 40.2 ± 17.2 |
|  | V45% | 30.8 ± 17 | 30.1 ± 16.1 | 26.9 ± 15.5 |
genitalia | Dmean (Gy) | 24.5 ± 10.9 | 19.4 ± 7.3 | 18.9 ± 6.9 |
|  | V20% | 62.1 ± 33 | 51.3 ± 31.6 | 48 ± 31 |
|  | V30% | 21.7 ± 22.4 | 11.8 ± 17.3 | 9 ± 15.1 |
|  |  | 2.3 ± 6,2 | 1.7 ± 4.9 | 1.2 ± 3.6 |
Iliac crests | Dmean (Gy) | 20.4 ± 7.2 | 20.6 ± 5.2 | 19.6 ± 4.4 |
|  | V10% | 55.3 ± 15.7 | 60.1 ± 15.9 | 58.9 ± 18.2 |
|  | V20% | 37.6 ± 9,2 | 45.25 ± 13.9 | 40.6 ± 10.5 |
Femoral heads | D mean (Gy) | 27.5 ± 2.4 | 26.2 ± 2.2 | 24.6 ± 4.1 |
|  | V45% | 2.2 ± 3,3 | 2.2 ± 2.3 | 1.7 ± 1.9 |
|  | Dmean (Gy) | 27.2 ± 2.4 | 26.85 ± 2.9 | 24.1 ± 3.2 a |
|  | V45% | 0.8 ± 1 | 1.7 ± 1.9 | 1.3 ± 1.5 |
Healthy tissue | V5% | 55.7 ± 5.4 | 57 ± 5.1 | 57.6 ± 5.1 |
|  | V10% | 47 ± 5 | 46.7 ± 6 | 47.2 ± 5.7 |
|  | V20% | 31.9 ± 3.9 | 33.4 ± 7 | 28.8 ± 4.8 |