Table 2.

Number of radiologic procedures and annual and total CED by procedure type

ProcedureNumber of Examinations [N (%)]Annual CED (mSv per Patient-Year) [Median (IQR)]Annual CED (mSv per Patient-Year) (mean ± SD)Total CED mSv (%)
Overall total1303 (100%)11.7 (4.3 to 24.7)21.9 ± 31.25901.4 (100%)
Conventional diagnostic radiology848 (65.0%)1.4 (0.7 to 2.7)1.9 ± 1.5488.7 (8.3%)
CT248 (19.0%)6.5 (0 to 18.6)16.6 ± 29.24484.0 (76.0%)
Nuclear medicine108 (8.2%)0.0 (0 to 2.8)1.6 ± 1.3451.1 (7.6%)
Interventional99 (7.6%)0.0 (0 to 2.3)1.8 ± 1.5477.5 (8.1%)
  • IQR, intraquartile range.