Table 5.

(A) The AUC for the prediction of metabolic syndrome by the FLI and each component of metabolic syndrome; (B, C) selecting the optimal cutoff value of FLI in identifying metabolic syndrome

A
B
Variable		AUC		95% CI		P-value
FLI		0.849		0.841–0.857		<0.001
SBP		0.769		0.759–0.778		<0.001
DBP		0.663		0.651–0.674		<0.001
Waist circumference		0.818		0.809–0.826		<0.001
Fasting glucose		0.781		0.771–0.791		<0.001
Triglyceride		0.802		0.792–0.811		<0.001
HDL-cholesterol		0.270		0.259–0.281		<0.001
C
Cutoff	AUC (95% CI)	Sensitivity	1 – Specificity	Positive likelihood ratio	Negative likelihood ratio	PPV (%)	NPV (%)
FLI	0.849 (0.841–0.856)
20		0.828	0.276	3.00	0.24	52.6	91.9
30		0.668	0.171	3.91	0.40	59.1	87.1
60		0.280	0.035	8.00	0.75	74.7	78.4

Abbreviations: AUC, area under the receiver operating characteristic curve; FLI, fatty liver index; HDL, high-density lipoprotein; NPV, negative predictive value; PPV, positive predictive value; ROC, receiver operating characteristic.