Table 1 Likert scales used to score image quality and the presence/effect on diagnostic quality of each artefact/image quality issue
Image quality | Presence/severity of artefacts—effect on diagnostic quality | ||
|---|---|---|---|
1 | Excellent | 1 | Not present/no artefact |
2 | Good | 2 | Minimal effect |
3 | Suboptimal | 3 | Moderate effect |
4 | Non-diagnostic | 4 | Severe effect |