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Table 1 Summary of mean YM measurements in all ROIs, comparing differences between adjacent ROIs, anterior and posterior wall and left and right sides

From: Measurement variability in two-dimensional shear wave elastography (SWE) of common carotid artery (CCA)

ROIs comparison

Mean YM (kPa)

SD

Paired bias

Paired p value

Adjacent pairs

Left anterior proximal

59.3

26.6

0.85

0.55

Left anterior distal

58.5

25.2

  

Left posterior proximal

54.3

26.1

3.8

0.05

Left posterior distal

50.5

23.7

  

Right anterior proximal

61

27

5.4

0.0002*

Right anterior distal

55.6

26.4

  

Right posterior proximal

52.7

33.4

3.3

0.12

Right posterior distal

49.4

28.3

  

Anterior/posterior walls

Left anterior proximal and distal

58.9

24.7

6.5

0.0005*

Left posterior proximal and distal

52.4

22.4

  

Right anterior proximal and distal

58.3

25.5

7.2

0.0017*

Right posterior proximal and distal

51.0

28.5

  

Left and right CCA

Left anterior proximal and distal

58.9

24.7

0.63

0.779

Right anterior proximal and distal

58.3

25.5

  

Left posterior proximal and distal

52.4

22.4

1.4

0.628

Right posterior proximal and distal

51.0

28.5

  
  1. Paired differences between the measurements from each of the 127 participants are quantified
  2. *Indicates significant difference (p < 0.01)