Comparison of effect of auriculotherapy and mefenamic acid on the severity and systemic symptoms of primary dysmenorrhea: a randomized clinical trial

Table 3 The severity of dysmenorrhea assessed by the VAS in two groups of study in the control cycle, the first intervention, and the second intervention cycle

Time	Auriculotherapy group (n = 41)		Mefenamic acid group (n = 42)		Unadjusted P value (between groups)	Adjusted P value (between groups)	^fES (between)
	Mean ± SD^a	^bAdjusted mean (95% CI)	mean ± SD	^bAdjusted mean (95% CI)
^cControl cycle	5.08 ± 1.74	-	5.39 ± 1.73		0.423	-	-
^d1st cycle	3.34 ± 1.81	3 (2.42 to 3.58)	4.27 ± 2.33	4.59 (4.02 to 5.16)	0.046	< 0.001	0.15
^d2nd cycle	2.82 ± 1.77	2.63 (2.06 to 3.21)	3.85 ± 1.98	4.03 (3.46 to 4.59)	0.015	0.001	0.12
^eP value (within groups)	< 0.001		< 0.001

^aStandard deviation, ^badjusted mean using analysis of covariance after controlling for painkiller consumption variable, ^cindependent t test, ^dunivariate ANCOVA, ^erepeated measures ANOVA, and ^feffect size (ES) based on partial eta square

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