Skip to main content

Table 4 Comparison of parameters in the Volume min, Volume max and Volume deformation phases for the left ventricular myocardium

From: Impact of deformable image registration on dose accumulation applied electrocardiograph-gated 4DCT in the heart and left ventricular myocardium during esophageal cancer radiotherapy

 

Volume min

Volume max

Volume deformation

Volumemax-Volumemin

Volumemax- Volume deformation

P (Volume max vs Volume min)

P (Volume max vs Volume deformation)

Volume (cm3)

65.91 ± 14.91

81.69 ± 19.41

67.36 ± 17.01

15.78 ± 7.84

14.33 ± 7.47

0.000

0.000

Dmean

9.88 ± 3.63

7.36 ± 4.28

8.35 ± 3.88

2.76 ± 1.64

1.33 ± 0.95

0.000

0.003

V20

19.08 ± 9.23

12.20 ± 11.17

14.62 ± 10.06

7.34 ± 4.80

3.36 ± 2.50

0.000

0.006

V30

14.35 ± 8.18

8.33 ± 9.49

10.49 ± 8.31

6.58 ± 4.69

3.14 ± 2.48

0.000

0.010

V40

2.89 ± 3.10

1.30 ± 2.81

2.07 ± 2.93

2.20 ± 2.06

1.35 ± 1.41

0.005

0.061