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

Table 3 Statistical comparison of the ultrasonographic viriables between the fibrosis group and the cirrhosis group

Variable	Fibrosis group	Cirrhosis group	P value
Live parenchymal	0.645 ± 0.055	0.816 ± 0.129	0.022*
Liver envelope	0.639 ± 0.054	0.709 ± 0.112	0.224
Thickness of Spleen (cm)	3.279 ± 0.439	4.058 ± 0.672	0.003*
Ascites	0.413 ± 0.035	0.516 ± 0.082	0.976
HV waveform(0/ι/П) ^a	128/8/3	28/6/6	<0.0001*
PVVel (cm/s)	18.16(1.273)	15.827(6.301)	0.114
HAPI	1.247 ± 0.155	1.147 ± 0.283	0.009*
HARI	0.697 ± 0.050	0.711 ± 0.052	0.910
DI	0.458 ± 0.131	0.574 ± 0.111	0.030*

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