Table 2 Median number of self-reported examinations for X-ray and computed tomography examinations by total study population and highly exposed participants
Total study population (n = 199) | Highly exposed individuals (>=15 examinations) (n = 51) | |||||||
|---|---|---|---|---|---|---|---|---|
X-ray examinations (N = 199) | CT examinations (N = 83) | X-ray examinations (N = 51) | CT examinations (N = 51) | |||||
n | Median (IQR) | n | Median (IQR) | n | Median (IQR) | n | Median (IQR) | |
Body part | 7.0 (4.0–13.0) | 2.0 (1.0–3.0) | 17.0 (14.0–27.0) | 2.0 (2.0–5.5) | ||||
Head | 81 | 2.0 (1.0–3.0) | 40 | 1.0 (1.0–1.0) | 28 | 2.0 (1.0–5.0) | 14 | 1.0 (1.0–2.0) |
Thorax | 112 | 2.0 (1.0–4.5) | 15 | 1.0 (1.0–6.0) | 41 | 5.0 (2.0–8.0) | 10 | 4.5 (1.0–7.0) |
Abdomen | 31 | 1.0 (1.0–1.0) | 15 | 1.0 (1.0–5.0) | 16 | 1.0 (1.0–2.5) | 11 | 1.0 (1.0–7.0) |
Spine | 87 | 2.0 (1.0–3.0) | 27 | 1.0 (1.0–2.0) | 41 | 2.0 (1.0–4.0) | 14 | 1.5 (1.0–2.0) |
Lower extremities | 118 | 2.0 (1.0–3.0) | 12 | 1.5 (1.0–2.0) | 41 | 3.0 (1.0–4.0) | 5 | 1.0 (1.0–2.0) |
Upper extremities | 122 | 2.0 (1.0–3.0) | 2 | 1.5 (1.0–2.0) | 36 | 2.0 (2.0–4.0) | 2 | 1.5 (1.0–2.0) |
Mammograms (females only) | 60 | 3.0 (2.0–6.0) | – | – | 28 | 5.5 (2.5–8.5) | – | – |
Sex | ||||||||
Female | 112 | 8.0 (4.0–14.0)* | 35 | 2.0 (1.0–4.0) | 33 | 17.0 (15.0–24.0) | 20 | 2.5 (2.0–5.5) |
Male | 87 | 6.0 (3.0–11.0)* | 48 | 2.0 (1.0–3.0) | 18 | 16.5 (14.0–20.0) | 16 | 2.0 (2.0–7.0) |
Age (in years) | ||||||||
<40 | 59 | 4.0 (2.0–7.0)* | 14 | 1.0 (1.0–2.0) | 6 | 21.0 (18.0–26.0)* | 4 | 2.5 (1.5–5.0) |
40–50 | 40 | 7.0 (4.0–10.0)* | 17 | 2.0 (1.0–2.0) | 7 | 16.0 (14.0–30.0)* | 5 | 2.0 (2.0–4.0) |
>50 | 100 | 10.0 (5.0–15.0)* | 52 | 2.0 (1.0–3.5) | 38 | 17.0 (14.0–24.0)* | 27 | 2.0 (2.0–6.0) |
Center | ||||||||
Bremen | 99 | 7.0 (4.0–13.0) | 39 | 1.0 (1.0–3.0) | 27 | 17.0 (14.0–23.0) | 18 | 2.0 (1.0–3.0)* |
Hamburg | 100 | 7.0 (4.0–13.0) | 44 | 2.0 (1.0–2.0) | 24 | 17.0 (14.0–24.5) | 18 | 3.5 (2.0–6.0)* |