Table 4 Effective dose and mean image noise for all cases
From: Maintaining immobilisation devices on trauma patients during CT: a feasibility study
Case | Device | Effective dose [mSv] | Effective dose compared to Trauma Transfer [%] | Mean image noise across all series [HU] | Mean image noise compared to Trauma transfer [%] |
|---|---|---|---|---|---|
1 | No device | 8.4 | −9 | 18.6 | −2 |
2 | Vacuum mattress 1 | 9.5 | 4 | 17.8 | −6 |
3 | Vacuum mattress 2 | 10.2 | 11 | 20.7 | 9 |
4 | Vacuum mattress 3 | 10.0 | 8 | 19.5 | 3 |
5 | Spine board 1 | 9.8 | 6 | 20.2 | 6 |
6 | Spine board 2 | 9.1 | −1 | 18.7 | −1 |
7 | Trauma transfer | 9.2 | 0 | 19.0 | 0 |
8 | Spine board 1 with IMAR | 9.8 | 6 | 20.5 | 8 |