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Table 2 Summary of PTV coverage data for VMAT-S, IMRT and HT plans x ¯ ± σ

From: SmartArc-based volumetric modulated arc therapy for endometrial cancer: a dosimetric comparison with helical tomotherapy and intensity-modulated radiation therapy

 

PTV95(%)

PTV100(%)

PTV105(%)

PTV110(%)

Dmean(Gy)

CI

HI

Mean (VMAT-S)

99.82

95.10

40.50

0.00

52.01

0.89

1.06

Mean (IMRT)

99.91

95.60

67.10

5.30

52.51

0.87

1.10

P

0.53

0.68

0.03

0.01

0.51

0.07

0.01

Mean (HT)

99.61

95.80

16.70

0.20

51.45

0.87

1.07

P

0.37

0.83

0.00

0.71

0.08

0.06

0.25

  1. PTV: planning target volume, VMAT-S: volumetric modulated arc therapy with SmartArc, IMRT: intensity-modulated radiotherapy, HT: helical tomotherapy, Dmean: mean dose, CI: conformity index, HI: homogeneity index.
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BMC Cancer

ISSN: 1471-2407

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