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Table 2

Radiation dose parameters in adult patients undergoing CT chest scans post-NDRLs implementation.

Parameters CT contrast
  Without contrast With contrast
kVp 118.33 ± 5.52 100.76 ± 6.47
mAs 433.46 ± 530 1614 ± 684
CTDlvol (mGy) 8.72 ± 2.33 6.20 ± 2.63
DLP (mGy.cm) 301.86 ± 124.32 233.8 ± 110.9

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