Table 2.
Driving Frequency, Magnitude of the Complex Shear Modulus (|CM|) for DMA and MRE DI estimate, MRE LFE Shear Stiffness, Average OSS-SNR for the Included Volume, Percentage of Pixels with OSS-SNR > 3 for all 8 PVC samples and Percent Difference ((MRE DI – DMA)/DMA) Between MRE DI and DMA Estimates and LFE Shear Stiffness Estimates for Eight PVC Samples
| PVC Sample |
Frequency (Hz) |
DMA|CM| (kPa) |
MRE DI|CM| (kPa) |
MRE LFE (kPa) |
Average OSS-SNR |
% pixels with OSS-SNR > 3 |
DI % Difference |
LFE % Difference |
|---|---|---|---|---|---|---|---|---|
| 50-50 | 81.96 | 3.59 | 3.95 | 3.89 | 22.65 | 100 | 10.03 | 8.36 |
| 60-40 | 105.09 | 5.92 | 6.56 | 6.47 | 18.22 | 100 | 10.82 | 9.29 |
| 70-30 | 130.89 | 9.13 | 9.60 | 9.42 | 16.93 | 100 | 5.15 | 3.18 |
| 75-25 | 139.17 | 10.37 | 11.64 | 11.57 | 8.41 | 99 | 12.25 | 11.57 |
| 80-20 | 147.06 | 11.51 | 11.20 | 11.11 | 26.73 | 100 | −2.69 | −3.47 |
| 85-15 | 176.29 | 16.47 | 18.05 | 17.95 | 6.43 | 93 | 9.60 | 8.98 |
| 90-10 | 175.76 | 16.58 | 18.53 | 18.52 | 4.73 | 80 | 12.44 | 11.71 |
| 95-05 | 203.24 | 22.05 | 22.74 | 22.44 | 4.03 | 70 | 3.13 | 1.77 |
Data are for effective wavelength (λeff) = 6.6 with a corresponding pixels per wavelength of 9.24.