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Table 1 Grading standard for the evaluation of ultrasonographic changes on liver fibrosis

From: Artificial neural network aided non-invasive grading evaluation of hepatic fibrosis by duplex ultrasonography

 Variables  0 1 2
Liver envelope Smooth slightly coarse obviously coarse or like wavy changes
Liver parenchyma Homogeneous Heterogenous coarsened
Ascites no or < 500 ml 500 ml ~ 3000 ml > 3000 ml
HV waveform Triphasic Biphasic monophasic