Table 1.

Scoring system applied to the four image quality parameters in the visual analysis

Score	Overall image quality/lesion conspicuity	Overall noise level (excluding marrow)/background marrow image quality
1	Not reportable	Non-diagnostic
2	Poor	Numerous heterogeneities throughout entire study, reduced diagnostic quality
3	Satisfactory	Numerous small heterogeneities
4	Good	Minimal heterogeneities
5	Excellent	No significant noise