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Table 5 Quantitative parameters of vessel walls in different vessel segments and stages

From: Imaging investigation of cervicocranial artery dissection by using high resolution magnetic resonance VWI and MRA: qualitative and quantitative analysis at different stages

Different stages

Wall thickness index

Remodeling index

Relative signal intensity of vessel wall

Relative signal intensity of IMH

Stenosis percentage

Acute stage

0.80 ± 0.12

2.54 ± 1.41

1.77 ± 0.80

2.97 ± 1.31

0.47 ± 0.14

Subacute stage

0.77 ± 0.07

2.27 ± 0.37

1.47 ± 0.31

1.28 ± 0.13

0.42 ± 0.18

Chronic stage, non-recovery

0.79 ± 0.07

5.04 ± 1.45

1.35 ± 0.38

1.21 ± 0.08

0.25 ± 0.18

Chronic stage, recovery

0.55 ± 0.11

1.17 ± 0.46

0.97 ± 0.15

  

Acute-chronic, recovery

0.000

0.000

0.000

  

Subacute-chronic,recovery

0.002

0.000

0.001

  

Acute-chronic, non-recovery

1.000

0.000

0.061

0.000

0.000

Subacute-chronic,non-recovery

1.000

0.008

1.000

1.000

0.004