Table 3.
Dosimetric data of organs at risk
| Bladder | WP | Volume | 314 ± 117.52 cm 3 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum dose (cGy) | Minimum dose (cGy) | Mean dose (cGy) | V10% (%) | V20% (%) | V30% (%) | V40% (%) | V50% (%) | V60% (%) | V70% (%) | V80% (%) | V90% (%) | V100% (%) | ||
| AAA | Mean | 4747.15 | 1266.97 | 3595.53 | 100.00 | 99.97 | 98.59 | 96.02 | 90.12 | 78.44 | 67.44 | 58.39 | 49.97 | 35.52 |
| (SD) | 149.54 | 403.32 | 284.69 | 0.00 | 0.08 | 2.62 | 6.12 | 7.83 | 9.52 | 11.31 | 12.95 | 14.26 | 13.70 | |
| AXB | Mean | 4732.93 | 1236.55 | 3585.11 | 100.00 | 99.96 | 98.49 | 95.71 | 89.69 | 77.93 | 67.11 | 58.24 | 49.95 | 35.48 |
| (SD) | 172.23 | 388.58 | 287.13 | 0.00 | 0.10 | 2.76 | 6.13 | 7.89 | 9.52 | 11.31 | 13.00 | 14.32 | 13.71 | |
| p | 0.114 | 0.059 | 0.005 | 1 | 0.109 | 0.138 | 0.012 | 0.007 | 0.005 | 0.005 | 0.047 | 0.959 | 0.646 | |
| Bladder | PB | Volume | 278.8 ± 109.23 cm 3 | |||||||||||
| Maximum dose (cGy) | Minimum dose (cGy) | Mean dose (cGy) | V10% (%) | V20% (%) | V30% (%) | V40% (%) | V50% (%) | V60% (%) | V70% (%) | V80% (%) | V90% (%) | V100% (%) | ||
| AAA | Mean | 2365.24 | 35.61 | 776.31 | 53.23 | 45.04 | 40.66 | 36.44 | 31.78 | 27.51 | 23.91 | 20.98 | 18.42 | 14.61 |
| (SD) | 21.69 | 34.74 | 280.98 | 17.47 | 15.81 | 15.21 | 14.96 | 13.98 | 12.58 | 11.14 | 9.94 | 8.92 | 7.56 | |
| AXB | Mean | 2377.19 | 32.77 | 775.61 | 52.16 | 45.01 | 40.74 | 36.52 | 31.84 | 27.58 | 24.05 | 21.19 | 18.60 | 14.96 |
| (SD) | 32.42 | 32.39 | 284.16 | 17.25 | 15.85 | 15.30 | 15.03 | 14.04 | 12.66 | 11.27 | 10.10 | 9.08 | 7.90 | |
| p | 0.114 | 0.005 | 0.646 | 0.007 | 0.093 | 0.799 | 0.646 | 0.508 | 0.444 | 0.047 | 0.007 | 0.013 | 0.285 | |
| Rectum | WP | Volume | 44.47 ± 19.44 cm 3 | |||||||||||
| Maximum dose (cGy) | Minimum dose (cGy) | Mean dose (cGy) | V10% (%) | V20% (%) | V30% (%) | V40% (%) | V50% (%) | V60% (%) | V70% (%) | V80% (%) | V90% (%) | V100% (%) | ||
| AAA | Mean | 4650.79 | 546.54 | 2991.27 | 99.45 | 95.35 | 88.80 | 80.75 | 70.69 | 61.36 | 51.85 | 41.34 | 29.25 | 11.98 |
| (SD) | 55.88 | 178.89 | 337.26 | 1.18 | 4.25 | 8.93 | 10.28 | 11.61 | 13.17 | 13.29 | 11.31 | 9.51 | 7.18 | |
| AXB | Mean | 4694.80 | 516.34 | 2981.62 | 99.39 | 94.36 | 88.32 | 80.86 | 70.96 | 61.61 | 51.75 | 40.53 | 28.22 | 12.96 |
| (SD) | 58.69 | 169.66 | 347.89 | 1.30 | 5.22 | 9.37 | 10.51 | 11.76 | 13.31 | 13.57 | 11.91 | 10.01 | 7.14 | |
| p | 0.028 | 0.013 | 0.386 | 0.109 | 0.007 | 0.013 | 0.203 | 0.575 | 0.386 | 0.878 | 0.508 | 0.241 | 0.093 | |
| Rectum | PB | Volume | 108.26 ± 13.7 cm 3 | |||||||||||
| Maximum dose (cGy) | Minimum dose (cGy) | Mean dose (cGy) | V10% (%) | V20% (%) | V30% (%) | V40% (%) | V50% (%) | V60% (%) | V70% (%) | V80% (%) | V90% (%) | V100% (%) | ||
| AAA | Mean | 2300.09 | 80.53 | 1041.95 | 92.07 | 83.50 | 64.17 | 48.57 | 39.04 | 31.64 | 25.34 | 19.90 | 14.54 | 4.66 |
| (SD) | 22.59 | 35.67 | 115.34 | 7.34 | 10.20 | 10.26 | 6.94 | 5.65 | 5.77 | 5.93 | 5.54 | 4.59 | 2.50 | |
| AXB | Mean | 2331.40 | 76.05 | 1038.99 | 92.83 | 84.35 | 68.70 | 52.15 | 40.24 | 30.99 | 23.02 | 16.03 | 10.36 | 4.15 |
| (SD) | 30.64 | 34.04 | 108.82 | 5.29 | 8.07 | 8.55 | 7.66 | 6.66 | 6.56 | 6.02 | 4.68 | 2.92 | 1.42 | |
| p | 0.007 | 0.005 | 0.646 | 0.169 | 0.799 | 0.009 | 0.007 | 0.093 | 0.285 | 0.005 | 0.005 | 0.005 | 0.333 | |
WP = Whole pelvis; AAA = Anisotropic Analytical Algorithm; AXB = Acuros XB; SD = Standard deviation.