Table 2 Semi-quantitative scoring for image evaluation by two readers.
From: Impact of radiation dose reduction and iterative image reconstruction on CT-guided spine biopsies
Item | Score | ||||
|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | |
Overall image quality | Very good to perfect | Good to very good | Medium | Poor | No value |
Overall artifacts | None | Minimal | Prominent | Major | Severe |
Image contrast | Very good to perfect | Good to very good | Medium | Poor | No value |
Determination of target structure | Possible | Unclear | Not possible | x | x |
Confidence for intervention planning (planning scans before the infiltration) | High | Medium | Low | x | x |
Confidence for intervention guidance (sequential scans during the infiltration) | High | Medium | Low | x | x |
