Efficacy Analysis of Double-Low Dynamic Contrast-Enhanced CT and Hepatic Extracellular Volume Fraction in the Diagnosis of Liver Fibrosis

Table 1

Comparison of CT parameters and fECV values ( ± s).

Group	N	Eliver (HU)	Eaorta (HU)	HCT (%)	fECV (%)
S1 group	42	25.69 ± 5.17	44.19 ± 5.61	41.14 ± 2.88	27.04 ± 2.46
S2–S4 group	158	24.77 ± 5.34	41.06 ± 4.67	36.96 ± 3.27	37.86 ± 2.38
T		0.999	3.695	7.540	26.004
		0.319	<0.05	<0.001	<0.001