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Table 2 Comparison between modified and original Laplace Equations

From: Analysis and computer program for rupture-risk prediction of abdominal aortic aneurysms

AAA model

P (mmHg)

d AAA,max (cm)

Thickness t (cm)

α

β

Stress (Authors' results) (MPa)

Modified Laplace Equation

Original Laplace Equation

       

Stress (MPa)

Error

Stress (MPa)

Error

Fillinger [3,4]

120

6.7

0.19

0

0.4

0.32

0.34

6.3%

0.28

13%

 

130

5.5

0.19

0

0.4

0.30

0.28

6.7%

0.25

16.7%

Wang [29]

128

6.1

0.184

0.54

0.33

0.19

0.208

9.5%

0.28

47%

 

155

6.4

0.175

0.29

0.9

0.35

0.34

2.9%

0.38

8.6%

Vorp [36]

120

6.0

0.15

0

0.3

0.33

0.34

3%

0.31

6%

Raghavan [45]

115

5.2

0.19

0

0.65

0.23

0.21

8.7%

0.2

13%

 

188

5.5

0.19

0

0.9

0.43

0.46

6.9%

0.36

16%

Thubrikar [15]

120

5.86

0.104

0

0.5

0.37

0.39

5.4%

0.45

22%

 

120

5.86

0.158

0

0.5

0.3

0.299

0.3%

0.29

3.3%

Li [44]

120

5.0

0.05

0.15

1

0.43

0.41

4.6%

0.80

85.6%