Fig. 1
Description of the 5-point Likert scales for subjective assessment of the image quality. Description of the 5-point Likert score for qualitative assessment of the image quality (2–5 from the left to the right, respectively). Score 1, image with nondiagnostic quality; score 2, image which is acceptable, but with sub-optimal noise, lesion depiction leading to impaired diagnostic confidence; score 3, image with quality that is equivalent to routine clinical practice; score 4, image with quality that is superior to the average image quality; score 5, image with excellent quality