Table 1 TBS of a Lumbar Spine Phantom with Various Thicknesses of Soft Tissue Equivalent Material

0

1.379

0.018

1.372

1.386

1.430

0.009

1.427

1.433

1.423

0.005

1.421

1.424

1

1.355*

0.018

1.348

1.361

1.398*

0.008

1.395

1.401

1.367*

0.004

1.366

1.369

2.5

1.287*

0.014

1.282

1.293

1.335*

0.010

1.332

1.339

1.248*

0.005

1.246

1.249

3.5

1.243*

0.015

1.238

1.249

1.286*

0.016

1.280

1.292

1.170*

0.006

1.167

1.172

5

1.161*

0.023

1.153

1.170

1.120*

0.017

1.194

1.207

1.037*

0.007

1.035

1.040

7.5

0.968*

0.013

0.963

0.973

1.015*

0.019

1.008

1.022

0.819*

0.006

0.816

0.821