Progress in Medical Physics

Table. 2.

Table. 2.

Total collimator width, pitch factor, X-ray tube current, exposure time, and CTDIvol of computed tography scans for the central imaging plane of the phantom

Phantom with collimation width Total collimator width (mm) Pitch factor Tube current (mA) Exposure (mAs) CTDIvol (mGy)
Arr1 with wide collimation 40 0.797 385 159 14.4
Arr1 with narrow collimation 10 0.812 380 154 19.0
Arr2 with wide collimation 40 0.797 353 146 13.2
Arr2 with narrow collimation 10 0.812 381 155 19.2

Arr, arrangement.

Progress in Medical Physics 2021;32:165-71 https://doi.org/10.14316/pmp.2021.32.4.165
© 2021 Progress in Medical Physics