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

Table 5

Comparison of residual and accumulated blood in the uterine cavity.

Observed indicators	Observation group (n = 202)	Control group (n = 119)	t value	value
Uterine residual (yes/no)	33/169	18/101	0.082	0.774
Uterine effusion (yes/no)	40/162	28/91	0.623	0.430