Table 3 The Formation of an Equation for the US Score
| Selected features | Coefficient | Signs | Assigned Score |
|---|---|---|---|
| Echogenicity | −0.11112163 | Mixed-echogenicity | −1 |
| Pseudocystic/calcification | 1.12745008 | Pseudocystic/calcification | 1 |
| Bile duct dilatation | −0.32246004 | Bile duct dilatation | −1 |
| Enhancement pattern | 0.40994879 | Regular rim | 1 |
| Enhancement duration | 0.00372324 | > 60s | 1 |
| Marked washout | −0.52185663 | Marked washout | −1 |