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Table 3 The Formation of an Equation for the US Score

From: Differential diagnosis between hepatic alveolar echinococcosis and intrahepatic cholangiocarcinoma with conventional ultrasound and contrast-enhanced ultrasound

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
  1. US Ultrasound