Diagnostic Value and High-Risk Factors of Two-Dimensional Ultrasonography Combined with Four-Dimensional Ultrasonography in Prenatal Ultrasound Screening of Fetal Congenital Malformations
Table 5
Logistic regression analysis of risk factors for fetal malformations.
Risk factors
SE
OR
95% CI
Age (0: <35, 1: ≥35)
0.696
0.260
0.007
2.005
1.204-3.338
History of adverse pregnancy and childbirth (0: no, 1: yes)
2.076
0.637
0.001
7.974
2.288-27.793
Folic acid supplementation (0: no, 1: yes)
-3.232
0.790
0.000
0.039
0.008-0.186
Medication history during pregnancy (0: no, 1: yes)
2.117
0.530
0.000
8.306
2.941-23.461
Toxic exposure during pregnancy (0: no, 1: yes)
0.959
0.372
0.010
2.610
1.258-5.415
History of seropositive for TORCH-IgM (0: no, 1: yes)