[Retracted] A Comparative Study of Endometriosis and Normal Endometrium Based on Ultrasound Observation

Table 3

The relationship between the degree of pelvic adhesion and pain.

Degree of adhesion	Dysmenorrhea
	n	None	Mild	Moderate	Severe
None	40	25	19	4	3
Mild	58	30	31	11	19
Moderate	63	39	37	19	49
Severe	37	24	22	25	35
Hc value	40.91	5.81	2.63	4.27	5.37
value	0.00	0.00	0.02	0.01	0.00