Triglyceride-glucose index in early pregnancy predicts the risk of gestational diabetes: a prospective cohort study

Table 3 Results of ROC analysis of the TyG index used to predict the development of GDM combined with maternal age and pre-pregnancy BMI

Predictor	AUC (95% CI), %	Threshold	Sensitivity	Specificity	PPV	NPV	Accuracy	Precision	Youden’s index	Chi-squared P value
TyG index	64.1 (61.1–67.1)	8.890	0.617	0.617	0.380	0.809	0.617	0.380	0.234	< 0.001
TyG index & Maternal age	65.1 (62.1–68.2)	0.300	0.555	0.709	0.420	0.807	0.666	0.420	0.263	< 0.001
TyG index & Pre-pregnancy BMI	66.5 (63.5–69.5)	0.303	0.535	0.719	0.419	0.803	0.668	0.419	0.253	< 0.001
TyG index & Maternal age & Pre pregnancy BMI	67.2 (64.3–70.2)	0.372	0.362	0.867	0.508	0.782	0.728	0.508	0.229	< 0.001

Abbreviations: AUC Area under curve, PPV Positive predictive value, NPV Negative predictive value

ISSN: 1476-511X