540 / 1601
Comparison of systems
Deegan 2014, Journal of Medical Imaging and Radiation Oncology
95% Limits of agreement
3 observers
Right left
(mm)
Superior
Inferior
(mm)
Anterior
Posterior
(mm)
CBCT fiducial markers
<2mm <2mm <2mm
CBCT soft tissue
<3mm <3mm <3mm
Average CBCT Fiducial markers
compared CBCT Soft tissue
-1.6 to 2.5 -4.9 to 2.6
-4.7 to 1.9
Seeds
0.9
×
3.0 mm, CIVCO
OBI
half fan
half bow-tie filter
360 degree gantry rotation
Reconstruction:512
×
512 resolution; 2mm slice thickness