Table 1.

Descriptive data of acupuncture and control groups (Mean $\pm$ SD)

Characteristic		Control (n = 62)	ACU1 (n = 62)	ACU2 (n = 62)	P-value
Age of patients (years)		31.5 $\pm$ 5.4	32.1 $\pm$ 5.9	32.9 $\pm$ 4.8	0.45
BMI (kg/m${}^2$)		26.3 $\pm$ 3.9	25.1 $\pm$ 3.3	25.2 $\pm$ 3.8	0.30
Smoking (%)		3.2	3.2	3.2	0.60
No. of transferred embryo		2.5 $\pm$ 0.6	2.5 $\pm$ 0.6	2.5 $\pm$ 0.5	0.99
Duration of infertility (years)		5.4 $\pm$ 4	5.7 $\pm$ 3.4	5.1 $\pm$ 3.1	0.94
Primary infertility (%)		84.2	78.9	81.2	0.38
Secondary infertility (%)		10.5	21	18.7	0.32
Previous IVF attempt		1.6 $\pm$ 1.6	1.4 $\pm$ 1.2	1.2 $\pm$ 0.4	0.35
Endometrial thickness		7.6 $\pm$ 0.7	8.1 $\pm$ 0.5	8.04 $\pm$ 0.6	0.06
	Male	57.8	47.3	50
	Female	15.7	26.3	18.7	0.57
Causes of infertility (%)	Unexplained	26.3	26.3	31.2
	BMI: Body mass index; IVF: In vitro fertilization; NS: Not significant ANOVA and Fisher exact test were used for data analysis P $<$ 0.05 was considered to be statistically significant