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Table 2 Technique parameters AP pelvic radiography in our hospital (MUMC+)a

From: Gonad shielding in pelvic radiography: modern optimised X-ray systems might allow its discontinuation

RoomnkVpTube currenttexposureTube loadKAPFIDKfiAESAK
   mAmsmA.sGy cm2cmmGymGy
123881 ± 1806 ± 1520 ± 1316 ± 100.48 ± 0.29126 ± 110.52 ± 0.310.78 ± 0.46
211085 ± 0472 ± 249 ± 2823 ± 130.70 ± 0.41142 ± 70.61 ± 0.360.91 ± 0.54
  1. a Inherent filtration X-ray tube 3 mm Al, added filtration 0.1 mm Cu, anode angle 16°, a 25-cm distance from skin on X-ray entrance side to image receptor is assumed, backscatter factor 1.49
  2. KAP kerma area product, FID ray focus to image receptor distance, KfiA kerma free in air at entrance position on skin (patient removed), ESAK entrance surface air kerma including backscatter (=KfiA × backscatter factor)