Table 4.
LEI shear modulus values from the frequency-dependent phantoms.
| Mean shear stiffness (kPa) at 300 mV amplitude | ||||
|---|---|---|---|---|
| Phantom | 75 Hz | 100 Hz | 125 Hz | |
| Baseline | BG | 4.67 (SDa 1.11) | 4.59 (SD 1.12) | 4.60 (SD 1.16) |
| Phantom | I | 11.64 (SD 2.65) | 12.63 (SD 5.79) | 13.11 (SD 4.47) |
| Phantom A | BG | 1.91 (SD 0.81) | 2.86 (SD 0.84) | 3.25 (SD 0.75) |
| Viscoelastic | I | 2.59 (SD 0.93) | 3.62 (SD 0.96) | 3.73 (SD 0.95) |
| Phantom B | BG | 3.89 (SD 0.86) | 3.84 (SD 0.80) | 4.21 (SD 0.75) |
| Viscoelastic | I | 8.53 (SD 1.76) | 11.85 (SD 2.14) | 9.52 (SD 1.42) |
| Phantom C | BG | 3.89 (SD 1.29) | 4.08 (SD 1.50) | 4.15 (SD 1.03) |
| Viscoelastic | I1 | 6.78 (SD 3.20) | 8.41 (SD 3.56) | 8.95 (SD 3.04) |
| I2 | 4.71 (SD 1.26) | 4.84 (SD 1.22) | 4.87 (SD 0.67) | |
| Phantom D | B | 4.08 (SD 1.36) | 4.44 (SD 1.70) | 5.06 (SD 2.27) |
| Poroelastic | I | 4.89 (SD 1.51) | 5.80 (SD 2.23) | 5.36 (SD 2.40) |
a
SD = standard deviation.