Examination

Type

No. of patients

Patient age (years)

Effective Dose (mSv)

Range

Mean

Range

Mean

75^th percentile

Contrast-enhanced

25

18 - 82

48 ± 17.6

11.7 - 26.0

15.3 ± 3.2

16.1

No contrast

15

2.2 - 19.3

9.2 ± 3.8

10.0