Table 2.

Subjective image analysis criteria based on artefacts and anatomical details

Grade	Artifacts	Anatomical details and lesions
1	Severe artefacts	Organs – not assessable, lesions – not visible
2	Artefacts affecting diagnostic information	Anatomical details of organs – not clearly visible, lesions – not clear
3	Obvious artefacts but acceptable	Anatomical details of organs and lesions – seen to an acceptable extent
4	Artefacts were seen in other organs not interfering with the diagnosis	Organs and lesions – seen clearly
5	Minimum or no artefacts	Organs and lesions – seen clearly