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Table 2 Comparison of dosimetric parameters (mean ± standard) for target volume among HT, P-VMAT and DA-VMAT

From: Application of piecewise VMAT technique to whole-brain radiotherapy with simultaneous integrated boost for multiple metastases

Parameters

DA-VMAT

P-VMAT

HT

PTV-brain

   

 V40(%)

95.5 ± 0.6

95.3 ± 0.4

95.3 ± 0.8

 V44(%)

54.7 ± 8.2

23.3 ± 9.4

38.2 ± 12.9

 CI

0.879 ± 0.018

0.911 ± 0.031

0.832 ± 0.022

GTV

   

 V60 (%)

95.0 ± 0.1

95.1 ± 0.2

95.1 ± 1.8

 D5% (Gy)

68.7 ± 2.6

67.1 ± 1.0

65.5 ± 1.6

 HI

1.146 ± 0.044

1.119 ± 0.016

1.092 ± 0.031

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Radiation Oncology

ISSN: 1748-717X

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