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Table 1 Imaging parameters used to acquire 36 images (12 images per different source-to-detector distance (SDD)

From: Effective dose and image optimisation of lateral lumbar spine radiography: a phantom study

Manipulated imaging parametersNumber of images
SDD
(cm)
Beam energy
(kVp)
Intensity
(mAs)
Cu filter
(mm)
100, 130, or 15075180.012 × 3 = 36
75180.1
75180.2
75180.3
8590.0
8590.1
8590.2
8590.3
954.50.0
954.50.1
954.50.2
954.50.3