[Retracted] The Role and Clinical Value of Optimized Fetal Main Pulmonary Artery Doppler Parameters in the Diagnosis and Prognosis Monitoring of Neonatal Respiratory Distress Syndrome

Table 1

Basic information and pregnancy outcome of pregnant women in two groups.

Grouping	NRDS (n =90)	Non-NRDS (n =282)		P
Pregnant woman’s age (age)	29.15 ± 5.88	30.68 ± 4.62	1.224	>0.05
Ultrasonic measurement of gestational age (weeks)	29.07 ± 2.03	37.71 ± 2.44	16.140	<0.05
Gestational week of delivery (week)	29.54 ± 2.07	38.06 ± 2.31	16.312	<0.05
Interval between ultrasound and delivery (weeks)	0.47 ± 0.43	0.38 ± 0.31	1.017	>0.05
Birth weight (g)	1347.22 ± 330.61	3206.78 ± 627.45	9.372	<0.05
1 minute Apgar ≤7 (%)	70 (77.78)	8 (2.84)	231.227	<0.05
Conversion rate to NICU (%)	90 (100.00)	93 (32.98)	122.616	<0.05
AT (ms)	37.35 ± 3.84	45.18 ± 3.72	8.536	<0.05
ET (ms)	191.83 ± 13.69	177.05 ± 8.56	6.784	<0.05
AE/ET ratio	0.18 ± 0.02	0.26 ± 0.02	13.268	<0.05