The Study of Dynamic Characteristic of Acupoints Based on the Primary Dysmenorrhea Patients with the Tenderness Reflection on Diji (SP 8)

Table 2

Comparison of the TOR in Diji (SP 8) area between menstrual and nonmenstrual period.

Group			Menstrual period	Nonmenstrual period
Observation group	Tenderness	Positive	53	38
		Negative	7	22	10.231	0.001
	TOR		88.3%	63.3%^*
Control group	Tenderness	Positive	31	19
		Negative	29	41	4.937	0.026
	TOR		51.7%^*	31.7%^#
			19.206	12.063
			0.000	0.001

Note: corrected value . ^*Compared with observation group in menstrual period, . ^#Compared with observation group in nonmenstrual period, .