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Insights into Imaging

Table 1 Quantitative analysis

From: Dual-energy CT with virtual monoenergetic images to improve the visualization of pancreatic supplying arteries: the normal anatomy and variations

 

40-keV MEI(+)

PEI

p

Image noise

22.49 ± 3.24

14.32 ± 1.49

< 0.001

CNR

   

GDA

23.22 ± 5.95

12.43 ± 3.09

< 0.001

ASPDA

14.67 ± 4.31

8.88 ± 2.83

0.011

DPA

15.81 ± 4.66

9.49 ± 2.63

 < 0.001

SNR

   

GDA

34.78 ± 7.04

19.74 ± 3.46

 < 0.001

ASPDA

26.22 ± 5.54

16.18 ± 3.08

 < 0.001

DPA

27.31 ± 5.82

16.74 ± 3.07

 < 0.001

Pancreatic parenchyma

11.56 ± 2.78

7.31 ± 1.31

 < 0.001

  1. Data shown are mean ± standard deviation
  2. CNR, contrast-to-noise ratio; SNR, signal-to-noise ratio; GDA, gastroduodenal artery; ASPDA, anterior superior pancreaticoduodenal artery; DPA, dorsal pancreatic artery
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