The Human Oocyte Preservation Experience (HOPE) Registry: evaluation of cryopreservation techniques and oocyte source on outcomes

Table 1 Demographic/clinical characteristics of patients enrolled in the donor and autologous subgroups of the HOPE Registry

Age at earliest cryopreservation (years)	Slow-freezing	Vitrification	p value^a
Patients using donor oocytes	n = 41	n = 95
Patient age, mean ± SD; range	40.2 ± 5.2; 23–47	40.2 ± 4.7; 24–51	0.9526
Oocyte age, mean ± SD; range	25.1 ± 2.7; 20–31	26.0 ± 2.8; 21–31	0.0835
Patients using autologous oocytes	n = 7	n = 50
Patient and oocyte age, mean ± SD; range	36.9 ± 1.8; 35–40	33.9 ± 3.9; 25–43	0.0528

HOPE Human Oocyte Preservation Experience; IVF in vitro fertilization; SD standard deviation
^a p value from t-test for continuous data

ISSN: 1477-7827