Analgesic Effects of Epidural Labor Analgesia at Different Periods and Its Effects on Maternal and Infant Outcomes and MiRNA-146b Level

Table 4

Comparison of NO, ANP, and ET-1 levels ().

Groups	n	NO (μmol/L)	ANP (ng/ml)	ET-1 (pg/ml)
Observation group	65	31.45 ± 4.42	346.87 ± 35.57	88.94 ± 12.96
Control group	54	27.43 ± 3.38	325.87 ± 32.76	78.25 ± 11.28
t	—	5.482	3.323	4.748
	—	<0.001	0.001	<0.001