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Table 2 PTV dose coverage

From: Intensity-modulated radiotherapy versus three-dimensional conformal radiotherapy for stage I-II natural killer/T-cell lymphoma nasal type: dosimetric and clinical results

  3DCRT IMRT p value
Dmax(Gy) 59.25±6.71 57.18±2.17 0.05*
Dmean(Gy) 51.73±1.01 52.06±1.14 0.14
V95%(%) 85.40±27.04 96.17±13.36 0.02*
V90%(%) 98.70±3.32 98.99±1.81 0.60
V105%(%) 28.53±19.09 44.44±21.11 <0.01*
V110%(%) 7.14±7.92 4.19±5.10 0.04
HI 0.20±0.11 0.10±0.03 0.05*
CI 1.28±0.18 1.08±0.16 0.07
  1. *variable with significant difference.
  2. D max maximum dose, D mean mean dose, V x% percent of volume receives x% of the prescription, CI conformity index, HI homogeneity index.