IMRT

VMAT

P值

PTV体积(cm³)

319.91 ± 209.56

332.01 ± 130.65

0.824

V5

46.65 ± 11.27

52.41 ± 8.11

0.01

V10

35.36 ± 8.32

39.32 ± 6.51

0.01

V20

22.75 ± 3.70

25.55 ± 4.86

0.00

V30

16.37 ± 3.10

17.74 ± 4.46

0.04

V40

11.27 ± 2.76

11.88 ± 3.85

0.57

V50

7.10 ± 2.20

7.37 ± 3.12

0.82

MLD*

1262.65 ± 235.46

1077.40 ± 169.27

0.00

HI*

0.060 ± 0.017

0.043 ± 0.055

0.04

CI*

0.809 ± 0.037

0.841 ± 0.055

0.03