Table 4.

ELF Index, FIB4, and APRI Performance in All Patients

	Variable	ELF Index	FIB4	APRI	ELF ~ FIB4	ELF ~ APRI	FIB4 ~ APRI
		n = 206	n = 206	n = 206	P	P	P
Any/mild fibrosis ≥F1	AUC	0.85	0.73	0.74
	SEa	0.027	0.041	0.042	.010	.030	.695
	95% CIb	.80–.90	.67–.79	.68–.80
Moderate fibrosis ≥F2	AUC	0.91	0.77	0.75	.0001	.0001	.399
	SEa	0.025	0.0337	0.0349
	95% CIb	.86–.94	.71–.83	.69–.81
Advanced fibrosis ≥F3	AUC	0.976	0.77	0.73	.0001	.0001	.054
	SEa	0.010	0.037	0.041
	95% CIb	.95–.99	.71–.83	.66–.79
Cirrhosis F4	AUC	0.98	087	084	.003	.001	.146
	SEa	0.012	0.044	0.050
	95% CIb	.95–.99	.82–.91	.78–.89

Abbreviations: APRI, aspartate to platelet ratio index; AUC, area under the curve; CI, confidence interval; ELF, enhanced liver fibrosis; SE, standard error.

^aDeLong et al 1988.

^bBinomial exact.