Table 2.

Predictive value of liver stiffness for the presence of significant fibrosis (F2), severe fibrosis (F3) and cirrhosis (F4) in hepatitis B virus vs hepatitis C virus patients

Parameter	Hepatitis B virus			Hepatitis C virus			All
	F2	F3	F4	F2	F3	F4	F2	F3	F4
AUROC	0.658	0.753	0.974	0.750	0.797	0.933	0.712	0.786	0.943
Cut-off (kPa)	7	8.8	13.6	6.8	8.6	13.3	6.9	8.7	13.6
Sensitivity (%)	59	53	86	60	62	77	59	60	74
Specificity (%)	70	85	99	88	81	93	78	83	95
PPV (%)	86	58	78	97	71	61	93	68	64
NPV (%)	39	82	99	23	75	96	26	77	97

AUROC: Area under the receiver operating characteristics curve; PPV: Positive predictive value; NPV: Negative predictive value.