Clinical Study
A Survey of Organ Equivalent and Effective Doses from Diagnostic Radiology Procedures
Table 5
Estimated effective dose from computed tomography examinations of the adult patient compared with reported values in the literature.
| | Reference | Examination | mAs | Scanned length (cm) | Effective dose (mSv) | | Range | Mean | Range | Mean | Range | Mean |
| | This work | Chest | 64.9–312.6 |
156.1
| 25.7–34.3 |
30.8
| 3.6–13.8 |
7.9
| | Head | 194.0–359.1 |
305.2
| 13.5–16.1 |
14.3
| 1.1–2.5 |
1.8
| | Abdomen and pelvis | 70–333.4 |
187.3
| 37.4–51.6 |
46.7
| 5.4–19.8 |
13.6
|
| | Reference [31] | Chest | 33–260 |
153.3
| 13.4–26.1 |
20.7
| 3.8–9.2 |
5.6
| | Head | 320–450 |
370
| 13.5 |
13.5
| 1.0–1.5 |
1.3
| | Pelvis | 125–450 |
305
| 13.5–17.5 |
15.5
| 1.9–8.2 |
5.8
| | Abdomen | 150–340 |
231.3
| 13.8–24.6 |
18.5
| 3.8–9.5 |
5.8
| | Abdomen and pelvis* | — | | — | | — |
12.3
|
| | Reference [32] | Chest | 40–1350 |
268
| 6–45 |
22.1
| — |
8.4
| | Head | 90–1500 |
343
| 7.5–21 |
12.2
| — |
1.6
| | Pelvis | 60–1350 |
295
| 7.5–40 |
18.7
| — |
7.7
| | Abdomen | 60–1575 |
292
| 10–35 |
20.4
| — |
7.4
| | Abdomen and pelvis* | — | | — | | — |
15.1
|
| | Reference [33] | Chest | 120–350 |
231.6
| 10–40 |
23.8
| 2.8–16.0 |
7.9
| | Head | 220–580 |
367.3
| 7.5–20 |
12.7
| 0.6 – 4.1 |
1.8
| | Pelvis | 150–560 |
281.7
| 7.5–40 |
18.7
| 2.9–35.0 |
8.8
| | Abdomen | 175–650 |
281.8
| 7.5–41.4 |
22.2
| 2.3–20.0 |
7.9
| | Abdomen and pelvis* | — | — | — | — | — |
16.7
|
| | Reference [34] | Chest | — | — | — | — | 3.8–26.0 |
9.3
| | Head | — | — | — | — | 1.7–4.9 |
2.8
| | Pelvis | — | — | — | — | 3.5–15.5 |
9.0
| | Abdomen | — | — | — | — | 3.6–26.5 |
10.1
| | Abdomen and pelvis | — | — | — | — | 7.3–31.5 |
16.5
|
| | Reference [35] | Chest | — | — | — | — | — |
8.8
| | Head | — | — | — | — | — |
2.0
| | Pelvis | — | — | — | — | — |
6.6
| | Abdomen | — | — | — | — | — |
9.0
| | Abdomen and pelvis* | — | — | — | — | — |
15.6
|
| | Reference [36] | Chest | — | — | — | — | — |
5.8
| | Head | — | — | — | — | — |
1.5
| | Pelvis | — | — | — | — | — | | | Abdomen | — | — | — | — | — |
5.3
| | Abdomen and pelvis | — | — | — | — | — |
7.1
|
| | Reference [37] | Chest | — | — | — | — | — |
5.7
| | Head | — | — | — | — | — |
2.8
| | Pelvis | — | — | — | — | — |
7.2
| | Abdomen | — | — | — | — | — | | | Abdomen and pelvis | — | — | — | — | — |
14.4
|
|
|
*Estimated effective dose is the sum of the abdomen and pelvis data.
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