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

Table 4

Comparison of uterine size and endometrial thickness at 2-week postoperative follow-up ultrasound.

Observed indicators	Observation group (n = 202)	Control group (n = 119)	t value	value
Endometrial thickness (mm)	6.15 ± 3.54	4.25 ± 2.31	5.791	0.000
Uterine size (cm)	11.33 ± 0.69	14.93 ± 0.79	−41.226	0.000