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% |
