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Table 2 Wall characteristics between positive remodeling (PR) and negative remodeling (NR) groups

From: Morphologic characteristics of severe basilar artery atherosclerotic stenosis on 3D high-resolution MRI

Variables(mean ± sd)

All (n = 44)

PR Group (n = 23)

Non-PR Group (n = 21)

p value

At the MLN site

 VA (mm2)

25.6 (6.4)

29.1 (6.2)

21.8 (4.3)

.000

 LA (mm2)

0.8 (0.7)

0.8 (0.7)

0.8 (0.7)

.971

 WA (mm2)

24.8 (6.4)

28.3 (6.1)

21.0 (4.3)

.000

 Plaque size (mm2)

8.1 (4.2)

11.0 (3.5)

5.0 (2.3)

.000

 Percentage of plaque burden (%)

30.3 (11.2)

37.3 (7.4)

22.5 (9.3)

.000

 Degree of stenosis (%)

88.9 (9.2)

89.2 (8.6)

88.6 (10.0)

.853

 Maximal WT (mm)

3.4 (0.6)

3.6 (0.6)

3.2 (0.5)

.029

 Minimal WT (mm)

1.5 (0.5)

1.7 (0.4)

1.2 (0.4)

.000

 Eccentricity index

55.8 (16.5)

50.9 (14.4)

61.2 (17.3)

.036

 Remodeling index

1.1 (0.2)

1.2 (0.1)

0.9 (0.1)

.000

At the reference site

 VA (mm2)

23.8 (5.1)

24.3 (5.4)

23.3 (5.0)

.510

 LA (mm2)

7.1 (1.9)

7.0 (1.7)

7.2 (2.1)

.684

 WA (mm2)

16.7 (3.8)

17.3 (3.9)

16.0 (3.7)

.276

 Maximal WT (mm)

1.5 (0.3)

1.5 (0.3)

1.4 (0.3)

.171

  1. VA vessel area, LA lumen area, WA wall area, WT wall thickness, MLN maximal lumen narrowing