TABLE 1.

Scoring System of Image Quality Parameters

Image Quality Parameter	Score	Scoring System
Quality of enhancement	1–5	1, unacceptable; 2, poor; 3, acceptable; 4, good; and 5, excellent
Overall image quality	1–5	1, unacceptable; 2, poor; 3, acceptable; 4, good; and 5, excellent
Liver edge sharpness and hepatic vessel clarity	1–5	1, unreadable; 2, extreme blur; 3, moderate blur; 4, mild blur; and 5, no blur
Streak artifact	1–5	1, unreadable; 2, extreme artifact; 3, moderate artifact; 4, mild artifact; and 5, no artifact