A Comparative Study to Assess the Efficacy of Two Different Estradiol Formulations during In Vitro Fertilization

Table 2

Description of patient population in the two treatment groups.

Variable	Estradiol valerate			Estradiol hemihydrate
	Thaw self	Fresh OD/ED	Thaw OD/ED	Thaw self	Fresh OD/ED	Fresh OD/ED
	734	415	407	453	202	265
Age (years)
Mean	30.62	36.59	36.82	31.13	36.50	36.27
SD	3.52	5.254	5.27	3.48	4.98	4.646
Min	20	20	23	21	24	23
Max	43	52	50	51	48	49
20–29	265	33	33	162	17	31
30–39	467	260	247	287	125	157
≥40	2	113	130	6	60	78
BMI (kg/m^2)
Mean	26.76	27.05	27.01	26.73	26.51	26.54
SD	5.05	5.03	5.34	5.42	4.63	5.14
Partner age (years)
Mean	33.67	38.88	39.12	34.39	39.09	38.94
SD	4.12	6.45	7.6	4.36	6.48	6.34
Min	23	22	24	23	25	22
Max	67	60	60	52	63	63
20–29	104	14	16	59	8	11
30–39	573	225	195	319	103	135
≥40	56	176	192	53	89	118
Years of infertility (years)
Mean	4.24	7.53	8.041	4.26	7.045	7.135
SD	3.075	6.503	6.654	3.33	6.079	5.729
Min	0	0	0	0	0	0
Max	18	32	30	17	25	25

OD/ED: donor oocyte/donor embryo; SD: standard deviation; Min: minimum; Max: maximum.