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Table 1 Distributions of DVH parameters (target volumes): Overview of the DVH parameters over the treatment course for all patients (in case no re-planning is performed)

From: The frequency of re-planning and its variability dependent on the modification of the re-planning criteria and IGRT correction strategy in head and neck IMRT

Patient # D95 [Gy] tPTV D95 [Gy] tCTV D95 [Gy] tCTV   D95 [Gy] pCTV  
  Planned Min Mean ± SD Max Planned Min Mean ± SD Max
1 68.4 68.4 69.2 ± 0.4 69.8 55.2 55.3 56.2 ± 0.3 56.7
2 68.4 65.8 68.4 ± 0.7 69.1 53.6 51.9 52.9 ± 0.5 53.6
3 68.3 67.5 68.5 ± 0.5 69.3 53.6 53.5 53.9 ± 0.2 54.3
4 68.4 67.0 68.9 ± 0.7 70.3 54.4 53.5 54.6 ± 0.4 55.5
5 66.6 61.7 66.8 ± 1.4 68.1 54.7 54.6 55.0 ± 0.2 55.4
6 67.8 64.6 67.3 ± 1.0 68.5 54.3 53.9 54.8 ± 0.4 55.4
  1. Abbreviations: SC spinal cord, tCTV therapeutic CTV, pCTV prophylactic CTV, SD standard deviation.
  2. The values result from the RIR_box_large IGRT correction.