Best-Fit Model Parameters Obtained by Fitting Attenuation Model to Measured Transmission Profiles
| Parameter | Mean ± SD | |
|---|---|---|
| Group A | Group B | |
| μtissue (1/cm) | 0.099 ± 0.002 | 0.099 ± 0.002 |
| μbone (1/cm) | 0.136 ± 0.008 | 0.140 ± 0.011 |
| C1 | 1.275 ± 0.243 | 1.247 ± 0.219 |
| C2 | 1.003 ± 0.046 | 1.005 ± 0.037 |
| C3 | 1.524 ± 0.156 | 1.584 ± 0.144 |
C1, C2, and C3 are scale factors for inside radius of skull, skull thickness, and extracranial tissue thickness, respectively.