Comparison of triglyceride-glucose index and its derived indices as markers for adverse pregnancy outcomes

Table 3 Comparative analysis of triglyceride-glucose index and its derived indices for predicting adverse pregnancy outcomes

	AUC (95%CI)	P value	IDI	P value	cNRI	P value
GDM
TyG	0.611 (0.596-0.626)	< 0.001	Ref.		Reference
TyG-BMI	0.594 (0.579-0.609)	< 0.001	-0.006	< 0.001	-0.107	< 0.001
TyG-WC	0.613 (0.596-0.629)	< 0.001	0.001	0.440	0.035	0.232
TyG-WHtR	0.615 (0.598-0.631)	< 0.001	0.003	0.036	0.064	0.030
HDP
TyG	0.606 (0.584-0.628)	< 0.001	Ref.		Reference
TyG-BMI	0.667 (0.645-0.688)	< 0.001	0.021	< 0.001	0.291	< 0.001
TyG-WC	0.644 (0.620-0.668)	< 0.001	0.012	< 0.001	0.273	< 0.001
TyG-WHtR	0.639 (0.616-0.663)	< 0.001	0.010	< 0.001	0.200	< 0.001
CD
TyG	0.549 (0.538-0.561)	< 0.001	Ref.		Reference
TyG-BMI	0.593 (0.581-0.604)	< 0.001	0.018	< 0.001	0.210	< 0.001
TyG-WC	0.588 (0.575-0.600)	< 0.001	0.015	< 0.001	0.217	< 0.001
TyG-WHtR	0.607 (0.595-0.620)	< 0.001	0.025	< 0.001	0.305	< 0.001
LGA
TyG	0.581 (0.565-0.597)	< 0.001	Ref.		Reference
TyG-BMI	0.656 (0.641-0.671)	< 0.001	0.028	< 0.001	0.377	< 0.001
TyG-WC	0.657 (0.641-0.673)	< 0.001	0.031	< 0.001	0.456	< 0.001
TyG-WHtR	0.627 (0.611-0.644)	< 0.001	0.017	< 0.001	0.291	< 0.001

CI: Confidence interval; GDM: Gestational diabetes mellitus; HDP: Hypertensive disorders of pregnancy; CD: Cesarean delivery; LGA: Large for gestational age; IDI: Integrated discrimination improvement; AUC: Areas under the curve; cNRI: Continuous net reclassification improvement.