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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.