Table 6.
Regression models of geometry parameters against finite element analysis results by region.
| FE result | Geometry parameter | Mid FC | Shoulder | ||||
|---|---|---|---|---|---|---|---|
| Slope | R2 | p value | Slope | R2 | p value | ||
| Isotropic Stress-P1 | Normalized shoulder curvature | −12.1 | 0.420 | 0.007 | 14.7 | 0.328 | 0.001 |
| Shoulder curvature | −38.6 | 0.408 | 0.008 | 54.7 | 0.366 | <0.001 | |
| Lipid arc | 0.597 | 0.472 | 0.003 | – | – | – | |
| Anisotropic Stress-P1 | Normalized shoulder curvature | −30.0 | 0.324 | 0.021 | – | – | – |
| Shoulder curvature | −100.8 | 0.350 | 0.016 | – | – | – | |
| Lipid arc | 1.38 | 0.316 | 0.024 | ||||
| Axial Stress | Normalized shoulder curvature | −29.7 | 0.318 | 0.023 | – | – | – |
| Shoulder curvature | −99.8 | 0.343 | 0.017 | – | – | – | |
| Lipid arc | 1.38 | 0.315 | 0.024 | – | – | – | |
| Transverse Stress | Normalized shoulder curvature | −1.76 | 0.390 | 0.010 | 1.43 | 0.449 | <0.001 |
| Shoulder curvature | −5.93 | 0.423 | 0.006 | 5.10 | 0.459 | <0.001 | |
| Lipid arc | 0.085 | 0.418 | 0.007 | – | – | – | |
| Shear Stress | Normalized shoulder curvature | −3.06 | 0.303 | 0.027 | 1.07 | 0.133 | 0.040 |
| Shoulder curvature | −11.3 | 0.396 | 0.009 | – | – | – | |
| Lumen area | 7.29 | 0.291 | 0.031 | – | – | – | |
| Lipid area | 88.0 | 0.279 | 0.035 | – | – | – | |