Table 6. The average effective Young’s modulus (YM) values and circumferential shrinkage values for 16 carotid plaque samples based on Cine MRI data by using 2D and 3D thin-layer model.
Plaque | 2D model | 3D thin-layer model | Variation | |||
---|---|---|---|---|---|---|
YM | C-Shrink | YM | C-Shrink | δ˗YM˗Model | δ˗C˗Shrink | |
(kPa) | (%) | (kPa) | (%) | (%) | (%) | |
P1 | 342 | 12.3 | 370 | 7.40 | 8.38 | -4.86 |
P2 | 320 | 11.2 | 348 | 6.26 | 8.44 | -4.91 |
P3 | 156 | 16.8 | 169 | 12.3 | 7.98 | -4.56 |
P4 | 493 | 6.29 | 531 | 1.05 | 7.99 | -5.24 |
P5 | 328 | 9.53 | 357 | 4.51 | 9.04 | -5.02 |
P6 | 341 | 9.15 | 371 | 4.11 | 8.74 | -5.04 |
P7 | 561 | 7.54 | 601 | 2.45 | 7.11 | -5.09 |
P8 | 604 | 6.31 | 650 | 1.07 | 7.91 | -5.24 |
P9 | 177 | 12.1 | 191 | 7.48 | 7.85 | -4.62 |
P10 | 126 | 14.4 | 137 | 9.88 | 8.90 | -4.48 |
P11 | 323 | 9.62 | 352 | 4.56 | 8.85 | -5.05 |
P12 | 441 | 9.12 | 476 | 3.96 | 8.00 | -5.16 |
P13 | 104 | 25.0 | 109 | 21.7 | 5.19 | -3.29 |
P14 | 208 | 19.0 | 222 | 14.7 | 6.85 | -4.24 |
P15 | 453 | 6.20 | 492 | 0.92 | 8.67 | -5.29 |
P16 | 856 | 3.67 | 922 | -1.78 | 7.78 | -5.44 |
Ave by Patient | 365 | 11.1 | 394 | 6.29 | 7.98 | -4.85 |
Ave (81 Slices) | 380 | 10.5 | 411 | 5.62 | 8.16 | -4.88 |
Min | 104 | 3.67 | 109 | -1.78 | 5.19 | -5.44 |
Max | 856 | 25.0 | 922 | 21.7 | 9.04 | -3.29 |
Note: c2 = 0 and D2 = 2 for all cases. Due to axial shrink applied to the 3D thin-layer model, some C-Shrink values in 3D thin-layer model were negative. Both averages by patients and by slices are given.