Factors in Gestational Diabetes Mellitus Predicting the Needs for Insulin Therapy

Table 3

AUC of ROC of FBG, HbA1c, OGTT 2 h plasma glucose, and BMI for need of AIT.

Variable	Area (95% CI)		Cutoff value	Sensitivity	Specificity
FBG at time of OGTT	0.80 ()	<0.001	5.69	0.673	0.797
HbA1c at time of OGTT	0.77 ()	0.044	5.85	0.693	0.732
OGTT 2 h plasma glucose	0.73 ()	<0.001	10.80	0.612	0.754
Pregestational BMI	0.51 ()	0.804	—	—	—

Curve area compared with FBG at time of OGTT; curve area compared with 0.5.