Table 4 DVH parameters comparison of conventional plans and ED plans for PTV(Mean ± SD)

Head&Neck

CI

0.87 ± 0.02

0.86 ± 0.02

0.005

GI

3.81 ± 0.47

3.79 ± 0.45

0.249

HI

0.07 ± 0.01

0.08 ± 0.01

0.081

D_2%(Gy)

53.40 ± 0.23

54.10 ± 1.87

0.240

D_98%(Gy)

49.58 ± 0.11

49.52 ± 0.18

0.054

D_mean(Gy)

52.20 ± 0.13

52.26 ± 0.19

0.125

Chest

CI

0.82 ± 0.03

0.84 ± 0.04

0.276

GI

2.06 ± 0.14

2.09 ± 0.12

0.062

HI

0.08 ± 0.00

0.08 ± 0.00

0.168

D_2%(Gy)

45.19 ± 0.31

45.07 ± 0.53

0.516

D_98%(Gy)

41.60 ± 0.13

41.61 ± 0.13

0.841

D_mean(Gy)

44.05 ± 0.19

44.03 ± 0.23

0.699

Pelvis

CI

0.92 ± 0.01

0.93 ± 0.01

0.168

GI

3.73 ± 0.26

3.71 ± 0.26

0.071

HI

0.06 ± 0.00

0.06 ± 0.00

0.343

D_2%(Gy)

47.46 ± 0.19

47.50 ± 0.19

0.059

D_98%(Gy)

44.53 ± 0.06

44.53 ± 0.05

0.703

D_mean(Gy)

46.33 ± 0.07

46.34 ± 0.08

0.212