Elevated triglyceride-glucose index predicts poor third-trimester glycemic control among gestational diabetes mellitus women: A prospective study in Shanghai

Table 4 Parameters related to the receiver operating characteristic curves of four indicators for predicting plasma glucose control after the diagnosis of gestational diabetes mellitus

Variables	AUC (95%CI)	Sensitivity	Specificity	PPV	NPV	YI
TyG	0.74 (0.71-0.77)	0.70	0.69	0.73	0.66	0.39
Pre-pregnancy BMI	0.63 (0.59-0.66)	0.51	0.73	0.69	0.55	0.24
Daily PE time	0.53 (0.50-0.57)	0.19	0.86	0.63	0.47	0.06
Education	0.55 (0.52-0.58)	0.65	0.45	0.58	0.52	0.10
TyG + pre-pregnancy BMI	0.75 (0.72-0.78)	0.68	0.72	0.75	0.66	0.41
TyG + daily PE time	0.74 (0.71-0.77)	0.61	0.78	0.77	0.63	0.40
TyG + education	0.74 (0.71-0.77)	0.70	0.70	0.73	0.66	0.40
TyG + pre-pregnancy BMI + daily PE time	0.75 (0.72-0.78)	0.62	0.78	0.77	0.63	0.40
TyG + pre-pregnancy BMI + education	0.75 (0.72-0.78)	0.64	0.76	0.77	0.64	0.41
TyG + daily PE time + education	0.74 (0.71-0.77)	0.75	0.65	0.72	0.68	0.40
TyG + pre-pregnancy BMI + daily PE time + education	0.75 (0.72-0.78)	0.66	0.74	0.75	0.64	0.40

AUC: Area under curve; PPV: Positive predictive value; NPV: Negative predictivevalue; YI: Youden index; TyG: Triglyceride-glucose; BMI: Body mass index; PE: Physical exercise.