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Table 8 Mean dose and EUD for PTV's and OAR's in IMRT versus 3D-CRT

From: Integrated-boost IMRT or 3-D-CRT using FET-PET based auto-contoured target volume delineation for glioblastoma multiforme - a dosimetric comparison

  Mean Dose EUD
  IMRT 3D-CRT p IMRT 3D-CRT p
  mean SD mean SD   mean SD mean SD  
PTV 1 68.76 ± 1.88 64.40 ± 2.79 0.61 68.34 ± 1.93 67.29 ± 2.85 0.2
PTV 2 60.68 ± 0.63 61.00 ± 0.78 0.03 59.92 ± 0.95 55.30 ± 4.33 <0.01
Brain 25.57 ± 3.24 22.90 ± 4.31 <0.01 41.57 ± 2.16 41.73 ± 3.12 0.69
Brainstem 13.76 ± 8.74 13.37 ± 9.25 0.79 21.83 ± 11.91 22.49 ± 12.94 0.48
Chiasm 18.51 ± 12.56 15.83 ± 13.33 0.14 19.64 ± 13.2 16.95 ± 13.71 0.12
Optic nerve rt. 8.48 ± 6.49 7.57 ± 8.66 0.64 10.2 ± 7.76 8.81 ± 9.49 0.41
Optic nerve lt. 13.02 ± 16.94 13.50 ± 14.33 0.79 14.07 ± 12.74 14.57 ± 14.65 0.78