Table 3.

Diagnostic value of PAPP-A for detecting of adverse pregnancy outcomes according to ROC

	Cut off	y	D	Sensitivity	Specificity	PPV (%)	NPV (%)	AUC	p value
Preeclampsia	0.585	0.55	0.103	0.81	0.74	23.6	97.5	0.797	< 0.001
Preterm labor	0.745	0.349	0.211	0.674	0.675	84.92	95.88	0.712	< 0.001
Low birth weight	0.705	0.406	0.176	0.711	0.70	13.4	97.1	0.717	< 0.001