Table 2.
Scoring scheme for image analysis.
| Item | Score | ||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |
| Overall image quality | Very good to perfect | Good to very good | Medium | Poor | Inadequate |
| Overall artifacts | None | Minimal | Prominent | Major | Severe |
| Image contrast | Very good to perfect | Good to very good | Medium | Poor | Inadequate |
| Determination of nerve root | 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 |