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

Table 1

Comparison of baseline data of two groups of pregnant women.

	Control group (n = 322)	FGR group (n = 44)	t/χ^2
Age	26.54 ± 5.36	27.06 ± 6.12	1.147	0.252
Gestational age	35.68 ± 5.25	36.14 ± 4.07	0.459	0.647
Primipara	206	24	1.474	0.225
Tobacco use	42	8	0.867	0.352
Alcohol exposure	59	9	0.116	0.733
Chronic hypertension	46	6	0.013	0.908
Pregestational diabetes	28	7	2.329	0.127