FibroSURE™ and FibroScan® in relation to treatment response in chronic hepatitis C virus

Table 2 Performance of FibroSURE and transient elastography in patients from Asia vs non-Asian regions

Test	Region (n)	F2-4 (%)	Sens	Spec	PPV (%)	NPV (%)	Accuracy (%)	AUROC
FS	Asia (253)	24.9	0.90	0.60	42.9	95.0	67.6	0.83
	NAR (1802)	17.4	0.86	0.61	31.9	95.4	65.5	0.82
TE	Asia (33)	24.2	0.88	0.92	77.8	95.8	90.9	0.92
	NAR (181)	19.3	0.77	0.87	58.7	94.1	85.1	0.87
FS + TE	Asia (33)	24.2	0.88	1.00	100.0	96.2	97.0	0.97
	NAR (176)	19.3	0.91	0.68	40.8	97.0	72.7	0.88

AUROC: Area under the receiver operating curve; FS: FibroSURE; NAR: Non-Asian region; NPV: Negative predictive value; PPV: Positive predictive value; Sens: Sensitivity; Spec: Specificity; TE: Transient elastography.