[Retracted] The Application Value of Three-Dimensional Power Doppler Ultrasound in Fetal Growth Restriction

Table 2

Comparison of 3D-PDU indicators in the first trimester between the two groups of pregnant women.

	VI	FI	VFI
Control group (n = 322)	20.36 ± 6.25	38.21 ± 6.74	8.02 ± 2.19
FGR group (n = 44)	15.26 ± 5.29	33.15 ± 5.96	6.03 ± 2.34
t	5.164	4.732	5.607
	<0.001	<0.001	<0.001