Table 7.

Diagnostic Accuracy of FIB-4 and NFS for Advanced Fibrosis (A) and Collagen Proportionate Area (B) >7.6%

	Cutoff	Sensitivity	Specificity	PPV	NPV	LR+	LR−
A
FIB-4	1.3	0.72	0.43	0.46	0.80	1.26	0.66
NFS	−1.455	0.84	0.36	0.40	0.82	1.32	0.43
B
FIB-4	1.3	0.93	0.44	0.24	0.98	1.65	0.16
NFS	−1.455	0.93	0.35	0.18	0.97	1.44	0.20

Abbreviations: LR+, positive likelihood ratio; LR−, negative likelihood ratio; NFS, NAFLD Fibrosis Score; NPV, negative-predictive value; PPV, positive-predictive value.