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Table 1 Ultrasound findings over the time of experiment observed in Experimental group compared to Control group

From: Ultrasound imaging in an experimental model of fatty liver disease and cirrhosis in rats

US findings/Time of experiment Control Group at any time (n = 10) Experimental Group
   4 weeks (n = 6) 8 weeks (n = 7) 15 weeks (n = 17)
Homogeneous liver parenchyma of medium level echogenicity (pattern 1) 10 3 0 0
Diffusely increased parenchymal echogenicity (pattern 2) 0 3 3 0
Discrete coarsened and heterogeneous parenchyma (pattern 3) 0 0 4 5
Extensive coarsened and heterogeneous parenchyma (pattern 4) 0 0 0 12
L-Echo<R-Echo 10 3 0 0
L-Echo=R-Echo 0 2 4 8
L-Echo>R-Echo 0 1 3 9
Liver isoechoic nodule 0 0 0 2
Liver hypoechoic nodule 0 0 0 1
PVD< 2.1 mm 10 6 6 0
PVD ≥ 2.1 mm 0 0 1 17
Mild or transient ascites 0 0 0 2
Moderate or marked ascites 0 0 0 3
  1. PVD: Portal Vein Diameter; L-Echo: Liver echogenicity; R-Echo: Renal cortex echogenicity.