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Table 3 Hemodynamic factors

From: Influence of morphology and hemodynamic factors on rupture of multiple intracranial aneurysms: matched-pairs of ruptured-unruptured aneurysms located unilaterally on the anterior circulation

Variables

Aneurysms

p value‡ (2-tailed)

Total (n = 40)

Ruptured group (n = 20)

Unruptured group (n = 20)

WSSmax, Pa

53.72 (26.075)

55.65 (32.700)

51.78 (17.845)

0.607

WSSmin, Pa

0.75 (1.268)

0.28 (0.289)

1.22 (1.658)

0.020

TAWSS, Pa

13.87 (8.774)

12.72 (10.234)

15.02 (7.105)

0.392

OSI, Pa

0.0090 (0.00940)

0.0104 (0.02054)

0.0061 (0.00871)

0.156

LSA,%

0.40 (4.344)

2.55 (16.536)

0.12 (1.044)

0.011

Flow stability

Stable (%)

14 (35)

6 (30)

8 (40)

0.754

Unstable (%)

26 (65)

14 (70)

12 (60)

 

Flow complexity

Simple (%)

11 (27.5)

3 (15)

8 (40)

0.125

Complex (%)

29 (72.5)

17 (85)

12 (60)

 

WSSmax location

   

Neck (%)

33 (82.5)

17 (85)

16 (80)

1.000

Dome (%)

7 (17.5)

3 (15)

4 (20)

 

WSSmin location

   

Neck (%)

9 (22.5)

1 (5)

8 (40)

0.039

Dome (%)

31 (77.5)

19 (95)

12 (60)

 
  1. The comparisons of WSSmin, LSA and WSSmin location on the aneurysms between the two groups were of significant differences (p < 0.05). (‡, paired-sample t test, Wilcoxon’s sign rank test or McNemar’s test as appropriate).