Table 1.

Clinical characteristics of RIF and control group

Clinical characteristics	RIF (n = 18)	Control (n = 13)	P value
Age (years)	33.22 ± 0.69	30.62 ± 1.43	0.117a
BMI (kg/m2)	23.43 ± 0.67	23.99 ± 1.13	0.655a
Basal FSH (IU/L)	6.60 (1.63)	6.37 (1.21)	0.357b
Basal FSH/LH	1.55 ± 0.17	1.62 ± 0.15	0.777a
Right AFC	8.00 ± 0.78	8.31 ± 0.76	0.786a
Left AFC	7.00 (4.50)	7.00 (5.50)	0.456b
Infertility duration (years)	4.56 ± 0.74	4.81 ± 0.73	0.815a
Primary infertility, n (%)	8 (44.4)	7 (53.8)	0.605c

Data were listed as mean ± SEM, median (quartile interval), or numbers (%). Statistical significance was considered as a P value < 0.05

RIF recurrent implantation failure, BMI body mass index, FSH follicle-stimulating hormone, LH luteinizing hormone, AFC antral follicle count

^aTwo-tailed Students’ t test

^bTwo-tailed Mann-Whitney U test

^cChi-square test