Effect of Coenzyme Q10 and transcutaneous electrical acupoint stimulation in assisted reproductive technology: a retrospective controlled study

Table 1 Comparison of general data and ovarian stimulation

Characteristics/Variables	Group A (n = 110)	Group B (n = 110)	Group C (n = 110)	*P (ABC)	**P (AB)	**P (AC)	**P (BC)
age (years)	39.22 ± 2.94	39.07 ± 2.91	38.63 ± 2.23	0.244	NS	NS	NS
infertility duration (years)	3.36 ± 2.05	3.55 ± 2.41	3.18 ± 1.74	0.435	NS	NS	NS
BMI (Kg/m2)	22.61 ± 3.05	23.23 ± 3.16	22.77 ± 2.80	0.284	NS	NS	NS
failed IVF attempts (n)	1.39 ± 1.20	1.48 ± 1.19	1.24 ± 1.21	0.309	NS	NS	NS
basal FSH (IU/ml)	12.28 ± 2.78	11.78 ± 2.66	12.43 ± 2.59	0.175	NS	NS	NS
basal E2 (pmol/l)	293.72 ± 74.85	278.51 ± 72.17	301.38 ± 74.58	0.067	0.128	0.442	0.022
AFC (n)	5.69 ± 1.71	6.02 ± 1.64	3.84 ± 1.02	< 0.001	0.104	< 0.001	< 0.001
Gn dosage (IU)	2337.53 ± 482.71	2280.77 ± 460.40	2360.05 ± 637.92	0.525	NS	NS	NS
Gn duration (days)	10.92 ± 2.03	10.68 ± 2.15	11.03 ± 1.77	0.422	NS	NS	NS
endometrial thickness (mm)	9.55 ± 1.18	10.14 ± 1.34	8.95 ± 1.33	< 0.001	< 0.001	< 0.001	< 0.001
retrieved oocytes (n)	5.15 ± 1.61	5.49 ± 1.56	3.41 ± 0.89	< 0.001	0.066	< 0.001	< 0.001
MII oocytes (n)	4.21 ± 1.57	4.66 ± 1.60	2.77 ± 1.09	< 0.001	0.020	< 0.001	< 0.001
optimal embryos (n)	2.00 ± 1.19	2.34 ± 1.31	1.27 ± 0.81	< 0.001	0.027	< 0.001	< 0.001
MII oocyte rate (%)	81.46 ± 16.28	84.74 ± 14.86	80.30 ± 21.36	0.157	NS	NS	NS
fertilization rare (%)	69.96 ± 22.31	73.61 ± 16.30	67.92 ± 25.35	0.145	NS	NS	NS
good-embryo rate(%)	63.94 ± 24.15	66.92 ± 26.88	62.17 ± 29.31	0.434	NS	NS	NS

AFC antral follicle count, BMI body mass index, E2 estradiol, FSH follicle-stimulating hormone, Gn gonadotrophin, MII metaphase II
^*analysis of variance (ANOVA); ** LSD test; NS not significant

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