Examination Voltage (kV) X-ray tube load (mAs) Effective dose (mSv) References 2D QCT spine, scout image and 3 slices of 10-mm thickness 80 125 0.06–0.3 [30, 41] 3D MDQCT spine, L1–L2, pitch 1 120 100 1.5 [9] 3D MDQCT hip, pitch 1 120 150–200 2.5–3.0 [9] 3D MDQCT radius, pitch 1 120 100 <0.01 [43]