Effect of Low-Frequency Electrical Stimulation Combined with Tonifying Kidney and Blood Pills on Uterine Rejuvenation after Abortion

Table 9

Comparison between the return period and the original period.

Group	n	Menstrual period		t value	value
		Original period (days)	Period of resumption (days)
Observation group	202	5.55 ± 1.29	6.04 ± 1.64	−3.128	0.002
Control group	119	5.47 ± 1.39	5.31 ± 1.48	0.856	0.393