Table 2 Dose-volume indices of the PTV and OARs

PTV

D_1% (Gy)

65.67 ± 0.41

65.74 ± 0.35

66.10 ± 0.44

2.599

0.098

D_99% (Gy)

58.82 ± 0.52

58.76 ± 0.51

58.35 ± 0.41

2.156

0.141

CI

0.90 ± 0.03

0.90 ± 0.03

0.86 ± 0.04

2.864

0.079

HI

1.05 ± 0.02

1.06 ± 0.02

1.07 ± 0.03

2.485

0.107

Total lung

V₅ (%)

83 ± 9

83 ± 9

74 ± 10

2.274

0.128

V₁₀ (%)

64 ± 9

70 ± 10

56 ± 10

4.808

0.019

V₂₀(%)

26. ± 5

24 ± 6

18 ± 4

5.518

0.012

V₃₀ (%)

8 ± 4

8 ± 3

4 ± 2

4.062

0.032

V₄₀ (%)

4 ± 2

4 ± 1

2 ± 0

3.790

0.039

D_mean (Gy)

15.45 ± 2.24

15.30 ± 2.19

12.57 ± 1.78

4.884

0.018

Heart

V₂₀ (%)

71 ± 2.46

61 ± 2.77

61 ± 2.73

0.336

0.719

V₃₀ (%)

38 ± 2.37

36 ± 2.35

35 ± 2.20

0.032

0.968

V₄₀ (%)

22 ± 1.42

20 ± 1.40

19 ± 1.25

0.097

0.908

D_mean

28.83 ± 8.60

28.82 ± 8.71

27.32 ± 8.53

0.080

0.923

Spinal cord

D_max(Gy)

43.54 ± 2.62

44.83 ± 2.19

41.25 ± 4.40

2.542

0.103

Monitor units

798.38 ± 11.20

508.25 ± 6.49

506.88 ± 7.88

29.156

0.000

Treatment time (s)

367.64 ± 3.39

170 ± 0

124 ± 0

349.997

0.000