Table 1. Patients’ characteristics per treatment group.
Outcomes	Cleavage	Blastocyst	p valuea
Fresh ET
Age, years	33.9 ± 3.25	33.03 ± 2.26	NS
Embryos transferred, n	2.04 ± 0.52	1.94 ± 0.35	NS
Frozen-thawed ET
Age, years	32.9 ± 3.96	31.64 ± 4.02	NS
Embryos transferred, n	2.05 ± 0.49	1.85 ± 0.42	0.0486
The data is expressed as means ± standard deviations ET = embryo transfer; NS = not significant aStatistical analysis performed by unpaired t-test or Mann-Whitney test or Fisher’s exact test