Triglyceride-Glucose Index for the Diagnosis of Metabolic Syndrome: A Cross-Sectional Study of 298,652 Individuals Receiving a Health Check-Up in China

Table 5

Areas under the receiver operating characteristic curves for TyG index, FBG, and TG in identifying MS.

Variables	AUC	95% CI lower	95% CI upper	Optimal threshold	Sensitivity	Specificity
TyG index	0.89	0.88	0.89	8.85	0.81	0.91	<0.001
TG	0.77	0.76	0.77	1.67	0.73	0.71	<0.001
FBG	0.84	0.84	0.84	6.10	0.86	0.70	<0.001

TyG, triglyceride-glucose; TG, triglyceride; FBG, fasting blood glucose; AUC, area under the ROC curve; CI, confidence interval.