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Table 2 CMR plaque characteristics among different femoral artery segments

From: Assessment of longitudinal distribution of subclinical atherosclerosis in femoral arteries by three-dimensional cardiovascular magnetic resonance vessel wall imaging

 

Mean ± SD or n (%)

p#

CFA (n = 107)

pSFA (n = 107)

AC (n = 107)

PA (n = 107)

Lumen area, mm²

49.6 ± 11.8

29.4 ± 8.1

25.1 ± 6.4

25.1 ± 6.8

<0.001

Wall area, mm²

41.6 ± 7.6

31.8 ± 5.6

29.4 ± 5.5

30.0 ± 5.3

<0.001

Max wall thickness, mm

2.3 ± 1.0

2.0 ± 0.7

1.9 ± 0.7

2.1 ± 1.0

<0.001

Normalized wall index, %

45.9 ± 4.9

52.4 ± 4.4

54.3 ± 4.6

54.8 ± 4.8

<0.001

Eccentricity index

0.43 ± 0.19

0.38 ± 0.15

0.36 ± 0.16

0.39 ± 0.18

<0.001

Luminal stenosis, %a

38.1 ± 14.4

32.6 ± 14.4

36.5 ± 15.1

31.9 ± 11.8

0.016

Presence of plaque

43 (40.2)

34 (31.8)

25 (23.4)

44 (41.1)

0.002

  1. CFA common femoral artery, pSFA proximal superficial femoral artery, AC adductor canal segment, PA popliteal artery. athe measurement was calculated from arteries with plaque. #The level of significance (type-I error rate) was less than 0.007 by adjustment of Bonferroni test