Table 1 Average and standard deviation of the equivalent strains of the unruptured and ruptured aneurysms for each condition.

From: Prediction of rupture risk in cerebral aneurysms by comparing clinical cases with fluid–structure interaction analyses

Conditions

Mechanical characteristics

Equivalent strain mean ± standard deviation

P value

Wall thickness (%)

Young’s modulus (%)

Unruptured aneurysms (n = 27)

Ruptured aneurysms (n = 24)

1

100

100

0.053 ± 0.026

0.094 ± 0.048

.002

2

100

75

0.071 ± 0.030

0.134 ± 0.068

 < .001

3

100

50

0.105 ± 0.042

0.189 ± 0.090

 < .001

4

100

25

0.206 ± 0.088

0.338 ± 0.140

.001

5

75

100

0.078 ± 0.032

0.143 ± 0.063

 < .001

6

75

75

0.103 ± 0.040

0.193 ± 0.092

 < .001

7

75

50

0.150 ± 0.056

0.267 ± 0.119

 < .001

8

75

25

0.286 ± 0.121

0.453 ± 0.176

.001

9

50

100

0.123 ± 0.047

0.258 ± 0.167

 < .001

10

50

75

0.159 ± 0.059

0.286 ± 0.122

 < .001

11

50

50

0.230 ± 0.087

0.396 ± 0.164

 < .001

12

50

25

0.447 ± 0.190

0.675 ± 0.281

.007

13

25

100

0.252 ± 0.103

0.455 ± 0.212

.001

14

25

75

0.337 ± 0.135

0.577 ± 0.276

.002

15

25

50

0.503 ± 0.207

0.824 ± 0.412

.007

16

25

25

1.012 ± 0.459

1.573 ± 0.823

.025

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