Table 4.

Analysis of the difference between preoperative dysmenorrhea and postoperative symptoms.

Symptom and preoperative dysmenorrhea		Postoperative symptoms, n (%)	Statistics	P value
Vaginal secretion			–0.3169	.96
	Yes (n=135)	21 (15.6)
	No (n=273)	43 (15.8)
Menstrual blood clots			11.6663	.02
	Yes (n=135)	15 (11.1)
	No (n=273)	13 (4.8)
Menorrhagia			8.952	.12
	Yes (n=135)	21 (15.6)
	No (n=273)	28 (10.3)
Prolonged menstrual period
	Yes (n=135)	9 (6.7)	–4.4473	.39
	No (n=273)	25 (9.2)
Menstrual disorder			3.2851	.59
	Yes (n=135)	22 (16.3)
	No (n=273)	38 (13.9)
Dysmenorrhea			8.0487	.20
	Yes (n=135)	26 (19.3)
	No (n=273)	39 (14.3)
Dizziness			1.613	.64
	Yes (n=135)	4 (3)
	No (n=273)	6 (2.2)
Lower abdominal pain			8.1021	.12
	Yes (n=135)	15 (11.1)
	No (n=273)	18 (6.6)
Frequent urination			–0.8309	.73
	Yes (n=135)	1 (0.7)
	No (n=273)	3 (0.01)