[Retracted] Analysis of Causes and Results of Fetal Growth in Utero Caused by Genetic Factors Detected by Ultrasound

Table 4

ROC analysis of vascular ultrasound parameters and serum vitamin D and PLGF in predicting FGR.

Indexes	AUC	Standard error a	Asymptotic significance level b	95% confidence interval		Cut-off value	Youden index	Sensitivity (%)	Specificity (%)
				Lower	Upper
UA-S/D	0.866	0.024	0	0.819	0.912	3.185	0.640	72.8	91.2
UA-PI	0.817	0.026	0	0.767	0.868	1.065	0.504	50.4	100.0
UA-PI	0.849	0.026	0	0.797	0.900	0.635	0.640	72.8	91.2
MAC-S/D	0.882	0.022	0	0.839	0.926	4.48	0.664	92.0	74.4
MAC-PI	0.869	0.025	0		0.918	1.495	0.704	88.8	81.6
MAC-PI	0.834	0.026	0	0.782	0.885	0.755	0.624	90.4	72.0
UtA-S/D	0.768	0.029	0	0.711	0.825	2.095	0.432	91.2	82.0
UtA-PI	0.729	0.032	0	0.667	0.791	0.99	0.384	48.0	910.4
UtA-PI	0.732	0.031	0	0.670	0.793	0.595	0.392	48.8	90.4
Vitamin D	0.784	0.028	0	0.729	0.840	24.2	0.456	54.4	91.2
PLGF	0.807	0.027	0	0.755	0.860	395.705	0.512	99.2	52.0