Table 1 Point System regarding to Stübig et al. [15]
Points | Subjective image quality total | Delineation of cortical bone | Deliniation of articular surfaces | Artifacts | Clinical assessment total |
|---|---|---|---|---|---|
1 | Excellent quality | Excellent deliniation | Excellentdeliniation | No relevant artifacts | Very good evaluation, no open questions |
2 | Good quality | Acceptable deliniation | Good deliniation | Few artifacts, barely disturbing | Good evaluation despite minor quality defects |
3 | Acceptable quality | Acceptable deliniation | Acceptable deliniation | Moderate artifacts, slightly disturbing | Evaluation generally possible with some open questions |
4 | Somewhat reduced quality | Barely visible, blurred edges | Barely visible, blurred edges | Disturbing, evaluation rather limited | Limited evaluation, control scan recommended |
5 | Reduced quality | Completely blurred, no delineatin | Completely blurred, no deliniation | Very disturbing, evaluation impossible | No evaluation of query, CT recommended |