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

Table 3

Clinical efficacy of fECV in the diagnosis of LF in each stage.

Staging	AUC	Se (%)	Sp (%)	Positive predictive value (%)	Negative predictive value (%)	95%CI
S1	0.816	64.62	92.94	77.78	92.40	0.731–0.901
S2–4	0.763	90.29	79.25	93.49	71.19	0.668–0.858
S3-4	0.882	89.52	89.90	91.74	87.25	0.829–0.935
S4	0.839	78.57	92.36	82.09	90.63	0.769–0.909