Table 1: Patients’ demographic and ICSI outcomes for fresh embryo transfers and freeze-all cycles.
  FRESH
(n=351)
FREEZE-ALL
(n=179)
P
Patient age (years) 35.83±4.88 35.59±3.46 0.398
FSH levels (day 2/3) (mIU/mL) 8.44±2.56 7.96±2.17 0.023
AFC 9.23±3.88 11.46±4.18 0.001
Days of stimulation 10.94±1.18 10.89±1.09 0.614
Total dose of rFSH (IU) 2,479.47±748.47 2,295,77±696,69 0.006
Days of GnRH antagonist 5.81±0.89 5.80±0.91 0.874
E2 trigger (pg/mL) 1,567.88±649.63 1,636.28±571.85 0.215
P4 trigger (ng/mL) 0.70±0.27 1.66±0.14 0.001
Retrieved oocytes 7.38±3.94 8.87±4.14 0.001
MII 5.39±3.10 6.28±3.22 0.002
Fertilization rate 80.12% 76.78% 0.042
Post-thaw survival rate - 94.9% NA
Cycles with supernumerary embryos 54% 68% 0.002
nET 2.27±0.79 2.07±0.65 0.003
IR, n (%) 159/797 (19.9%) 98/370 (26.5%) 0.011
PR, n (%) 144 (41%) 90 (50.3%) 0.038
CPR, n (%) 126 (35.9%) 83 (46.4%) 0.017
OPR, n (%) 109 (31.1%) 71 (39.7%) 0.044
Miscarriage rate 19/126 (15.1%) 12/83 (14.5%) 0.900

* Values are expressed as the mean ± SD or as the absolute number and percentage
FSH – follicle-stimulating hormone; AFC – antral follicle count; rFSH – recombinant follicle-stimulating hormone; GnRH, gonadotropin-releasing hormone; E2 – estradiol; P4 – progesterone; MII – mature eggs; nET – number of transferred embryos; IR – implantation rate; PR – pregnancy rate; CPR – clinical pregnancy rate; OPR – ongoing pregnancy rate