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Table 2 Imaging technique settings in AP pelvic radiographya

From: Gonad shielding in paediatric pelvic radiography: disadvantages prevail over benefit

Age n Filterb High voltage mAs valuec AEC Grid
(years) (mm Cu) (kV) (mAs) (yes/no) (yes/no)
0-1 36 - 50 4.2 n n
1-5 63 0.1 55 5.2 n n
5-10 43 0.1 55/60 6.5 n n
10-15d 27 0.1 70 12 y/n y/n
10-15e 26 0.1 81 13 y y
  1. aThe average focus-image receptor distance was 117 ± 24 cm
  2. bInherent filtration was 3.3 mm Al-equivalent
  3. cTube current exposure time product
  4. dSmaller children, typically no grid and no AEC
  5. eLarger children, typically with grid and/or AEC