Skip to main content

Table 2 Radiation doses

From: Accuracy and precision of volumetric bone mineral density assessment using dual-source dual-energy versus quantitative CT: a phantom study

 

CTDIvol (mGy)

DLP (mGy × cm)

kVp

mAs

DECT

9.89 ± 0.33

198.54 ± 6.82

Tube A, 90; tube B, Sn150

180

QCT

12.41 ± 0.27

219.18 ± 8.69

120

180

  1. Mean CTDIvol and DLP values differed significantly between DECT and QCT (p < 0.001). Data are given as mean ± standard deviation
  2. CTDIvol Volumetric CT dose index, DLP Dose length product, DECT Dual-energy computed tomography, QCT Quantitative computed tomography