[Retracted] The Volume of T2 Low-Signal Band and the Width of the Widest Blood Vessel in Placenta Measured by MRI in Pregnant Women with Different Types of Placental Implantation and Its Differential Value

Table 7

The value of T2 low-signal band volume and the widest blood vessel width in placenta in the differentiation of different types of PI.

Index	AUC	95% CI			Cut-off value	Sensitivity (%)	Specificity (%)
Adhesion type-implantation type
T2 low-signal band volume	0.792	0.674~0.882	5.304	<0.001	>47.250 cm^3	57.100	91.700
Width of the widest blood vessel in placenta	0.720	0.596~0.823	3.264	<0.001	>0.650 cm	88.360	65.810
Union	0.846	0.736~0.923	7.426	<0.001		71.430	95.830
Implant-penetrating type
T2 low-signal band volume	0.839	0.715~0.924	5.232	<0.001	>66.900 cm^3	69.230	83.330
Width of the widest blood vessel in placenta	0.795	0.664~0.892	3.865	<0.001	>0.890 cm	84.620	71.430
Union	0.899	0.788~0.964	5.999	<0.001		84.620	97.620