Table 6 Number of CT examinations (N CT ) and effective dose due to CT (E CT ) in various countries
From: Exposure of the Swiss population to computed tomography
Country | NCT/1000 population | % of total number of X-ray examinations | ECT/caput (mSv) | % of total effective dose | Reference |
|---|---|---|---|---|---|
Switzerland (2008) | 100 | 6 | 0.8 | 68 | This work |
France (2007)* | 115 | 10 | 0.8 | 65 | [7] |
Germany (2008) | 132 | 8 | 1.0 | 60 | [8] |
United Kingdom (2008) | 53 | 7 | 0.3 | 67 | [9] |
The Netherlands (2008) | 62 | 11 | 0.4 | 46 | [10] |
Norway (2008)** | 194 | 29 | 0.9 | 80 | [11] |
Finland (2008) | 60 | 8.3 | 0.3 | 58 | [12] |
USA (2006) | 226 | 18 | 1.5 | 66 | [13] |
UNSCEAR (1997–2007) | 129 | 8 | 0.9 | 47 | [1] |