Table 1.
HCsf MRE repeatability results for both shear stiffness (μ) and damping ratio (ξ), quantified by coefficient of variation (CV), for each individual HCsf region and NLI parameter combination
Stiffness | Damping ratio | |||||||
---|---|---|---|---|---|---|---|---|
SPR | 10 −10 | 10 −12 | 10 −10 | 10 −12 | 10 −10 | 10 −12 | 10 −10 | 10 −12 |
SF (mm) | 1.5 | 1.5 | 0.9 | 0.9 | 1.5 | 1.5 | 0.9 | 0.9 |
DG-CA3 | 4.2% | 4.5% | 8.1% | 7.5% | 7.7% | 6.8% | 13.8% | 15.6% |
CA1-CA2 | 4.2% | 2.9% | 8.2% | 8.8% | 10.4% | 7.4% | 17.0% | 18.8% |
SUB | 3.8% | 2.7% | 5.9% | 6.3% | 12.4% | 8.4% | 21.7% | 22.8% |
ERC | 4.2% | 5.0% | 6.7% | 6.9% | 9.4% | 9.4% | 15.9% | 16.2% |
Average | 4.1% | 3.8% | 7.2% | 7.4% | 10.0% | 8.0% | 17.1% | 18.4% |
Note: SPR, soft prior regularization weighting; SF, spatial filtering width (mm).