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Table 4 Differences in the dose distribution between the two plans

From: The application of PET-CT to post-mastectomy regional radiation therapy using a deformable image registration

 

Historical plan

Modified plan

P value

Maximum dose

58.0 ± 1.33

56.4 ± 1.49

<0.01

Level II

   

Mean D95

45.4 ± 3.3

46.7 ± 2.7

< 0.01

Mean V95

57.7 ± 36.9

70.0 ± 33.6

<0.01

Mean dose

48.3 ± 3.0

49.0 ± 2.2

<0.01

Level III

   

Mean D95

51.3 ± 2.4

50.6 ± 2.1

<0.01

MeanV95

96.8 ± 14.7

97.9 ± 8.4

0.35

Mean dose

52.5 ± 1.9

51.9 ± 1.5

<0.01

Lung

   

V5

38.6 ± 8.4

40.9 ± 8.3

<0.01

V10

31.4 ± 7.7

31.8 ± 7.7

<0.01

V20

27.8 ± 7.5

28.0 ± 7.5

<0.01

Mean dose

14.3 ± 3.4

14.3 ± 3.4

0.22

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Radiation Oncology

ISSN: 1748-717X

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