Table 2.

Comparison of baseline data between the treatment group and the HA group ($\overline{\mathrm{x}}\pm \mathrm{s}$, %).

Base data	Treatment group (n = 30)	HA group (n = 30)	P value
Age (yr)	37.70 ± 2.81	37.27 ± 1.95	.490
History of gestation	20.0% (6/30)	23.3% (7/30)	.754
Years of infertility (yr)	3.50 ± 2.42	3.70 ± 2.65	.761
BMI (kg/m2)	22.50 ± 1.59	22.81 ± 1.39	.420
Male factors	16.7% (5/30)	23.3% (7/30)	.519
bFSH (mIU/mL)	14.27 ± 3.83	14.60 ± 3.05	.705
bLH (mIU/mL)	4.55 ± 1.85	4.43 ± 1.74	.802
bE2 (pg/mL)	45.20 ± 5.75	45.27 ± 6.24	.964
bAFC (n)	11.00 ± 3.56	10.93 ± 3.31	.940
Whole embryo freezing strategy	20.0% (6/30)	26.7% (8/30)	.542

HA = elderly control.