Effect of Mirena Intrauterine Device on Endometrial Thickness, Quality of Life Score, and Curative Effect in Patients with Perimenopausal Abnormal Uterine Bleeding

Table 3

The menstrual volume scores before treatment, 1 month, 2 months, and 3 months after treatment.

Menstrual volume score (points)	Before treatment	Treatment for 1 month	Treatment for 2 months	Treatment for 3 months
C group ()
R group ()
value	0.047	16.659	18.329	11.145
value	0.963	<0.01	<0.01	<0.01

Note: was indicated that the values of after 1 month, 2 months, and 3 months of treatment were compared with that before treatment, .