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

Table 5

Comparison of VAS scores at different time points ().

Groups	n	First stage of labor (min)		Second stage of labor (min)	Third stage of labor (min)
		Latent phase	Active phase
Observation group	65	2.52 ± 0.67	2.15 ± 0.22	2.37 ± 0.68	2.38 ± 0.51
Control group	54	2.69 ± 0.59	3.42 ± 0.58	3.58 ± 0.63	2.45 ± 0.88
t	—	1.454	16.310	9.990	0.541
	—	0.149	<0.001	<0.001	0.589