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Table 2 Differences of dose-volume parameters for the heart after specific 3DCT image reconstruction and after accumulation

From: Comparison of the dose on specific 3DCT images and the accumulated dose for cardiac structures in esophageal tumors radiotherapy: whether specific 3DCT images can be used for dose assessment?

 

V5

V10

V20

V30

V40

Accumulation

69.33 ± 8.02

56.38 ± 6.42

48.88 ± 6.34

42.31 ± 6.35

12.31 ± 5.73

MIP

70.46 ± 6.03

58.26 ± 5.43

51.45 ± 5.32

45.82 ± 5.21

13.53 ± 6.22

AIP

70.81 ± 6.45

58.25 ± 6.16

51.42 ± 6.08

45.71 ± 6.04

12.72 ± 6.14

Min-IP

71.32 ± 7.55

58.34 ± 7.76

51.43 ± 7.77

45.70 ± 7.70

11.51 ± 6.00

Δ(MIP vs. Accumulation)

2.38 ± 1.53

2.17 ± 1.23

2.67 ± 1.69

3.51 ± 1.81

1.23 ± 1.00

Δ(AIP vs. Accumulation)

2.22 ± 1.11

1.89 ± 0.99

2.53 ± 1.02

3.40 ± 1.15

0.83 ± 0.83

Δ(Min-IP vs. Accumulation)

2.04 ± 1.29

2.15 ± 1.72

2.71 ± 1.86

3.45 ± 2.12

1.47 ± 1.14

p (MIP vs. Accumulation)

0.258

0.205

0.078

0.018

0.250

p (AIP vs. Accumulation)

0.406

0.152

0.054

0.029

0.639

p (Min-IP vs. Accumulation)

0.809

0.231

0.116

0.054

0.467