Advances in Radiology

Research Article

An Assessment of Final-Year Medical Students and Interns Awareness of Radiation Exposure to Common Diagnostic Imaging Procedures

Table 1

Percentages of participants correctly identifying, underestimating or saying that they do not know, and overestimating ionizing radiation doses from 9 commonly requested radiological investigations.
Questions % of the underestimating participants or those who DN (do not know)% of the correctly identifying participants% of the overestimating participants
Background radiation 71.219.29.6
Chest X-ray69.113.717.2
Ankle X-ray 6516.318.7
Abdominal X-ray 86.710.82.6
Abdominal US 62.41.536.1
Abdominal CT 94.73.81.5
Barium meal 95.94.10
Spine MRI 98.61.50
Bone scan 5620.723.3
PET scan 40.24.422.7
Fatal cancer (CT)86.38.55.2