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Table 3 Dosimetric data of organs at risk

From: Dosimetric effects of the acuros XB and anisotropic analytical algorithm on volumetric modulated arc therapy planning for prostate cancer using an endorectal balloon

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
  1. WP = Whole pelvis; AAA = Anisotropic Analytical Algorithm; AXB = Acuros XB; SD = Standard deviation.
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Radiation Oncology

ISSN: 1748-717X

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