Table 1.

The clinical characteristics in the patients.

		Endometrial stromal sarcoma (n = 20)	Degenerative hysteromyoma (n = 24)	P-value
Age (year)		44.8 ± 15.01	42.6 ± 11.63	0.841
Diameter of the lesion (cm)		6.57 ± 4.12	6.19 ± 4.45	0.724
Irregular vaginal bleeding		11	2	0.001
Lower abdominal pain		5	3	0.284
Increased menstrual flow		5	4	0.495
Lower abdominal mass		2	2	0.848
Found by physical examination		2	12	0.005
Vaginal discharge		1	0	0.268
Site	Muscle layer	11	21	0.040
	Uterine cavity	7	3
	Pelvic cavity	2	0