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Table 7 Mean, min., and max. doses 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

   IMRT 3D-CRT p
   Dose SD dose SD  
PTV 1 mean 68.76 ± 1.88 64.40 ± 2.79 0.61
  min 61.07 ± 3.31 57.39 ± 6.79 0.02
  max 73.14 ± 0.98 73.94 ± 1.88 0.1
PTV 2 mean 60.68 ± 0.63 61.00 ± 0.78 0.03
  min 51.40 ± 3.44 40.89 ± 7.03 <0.01
  max 71.90 ± 1.51 73.68 ± 2.64 0.01
Brain Mean 25.57 ± 3.24 22.90 ± 4.31 <0.01
Brainstem mean 13.76 ± 8.74 13.37 ± 9.25 0.79
  max 37.04 ± 20.2 36.56 ± 20.15 0.77
Chiasm mean 18.51 ± 12.56 15.83 ± 13.33 0.14
  max 28.16 ± 17.9 23.56 ± 16.84 0.07
Optic nerve rt. mean 8.48 ± 6.49 7.57 ± 8.66 0.64
  max 15.2 ± 12.04 12.19 ± 12.43 0.14
Optic nerve lt. mean 13.02 ± 11.94 13.50 ± 14.33 0.79
  max 18.99 ± 16.39 18.20 ± 17.69 0.69