Table 4 Comparison of 2008 frequency and dose data with previous surveys
From: Exposure of the Swiss population to computed tomography
Year | Number of examinations/1000 population | NCT/NTotal | E (mSv/caput) | ECT/ETotal | ||
|---|---|---|---|---|---|---|
Total | CT | (%) | Total | CT | (%) | |
1998 | 1340 | 46.2 | 3.4 | 1.0 | 0.28 | 28 |
2003 | 1470 | 76.7 | 5.2 | 1.2 | 0.56 | 47 |
2008 | 1680 | 100 | 6.0 | 1.2 | 0.80 | 68 |