[Retracted] A Clinical Study of the Effect of Estradiol Valerate on Sleep Disorders, Negative Emotions, and Quality of Life in Perimenopausal Women

Table 4

Comparison of the patients’ adverse reactions to the treatment.

Group	Nausea and vomiting	Breast tenderness	Rash
Study group (n = 50)	3	2	3
Control group (n = 50)	2	1	1
χ^2 value	0.210	0.344	1.042
value	0.646	0.558	0.307