Table 1. Patients’ demographics, stimulation and cycle characteristics for the ASP and NSP groups
Variable ASP group (n=175) NSP group (n=210) P value
Female age 32,09 ± 2,49 32,39 ± 2,55 0,237
Male age 35,65 ± 5,62 35,29 ± 4,64 0,500
Dose of FSH administered (mean ± SD) 2010 ± 565 2120 ± 609 0,069
Estradiol level (pg/mL) (mean ± SD) 2386 ± 1775 2381 ± 2024 0,982
Number of follicles (mean ± SD) 23,6 ± 12,2 22,0 ± 14,4 0,218
Number of oocytes (mean ± SD) 16,53 ± 8,83 15,35 ± 9,08 0,199
Number of MII oocytes (mean ± SD) 11,86 ± 6,70 11,34 ± 7,16 0,463
MII oocyte rate (%) 73,5 74,2 0,685
Semen volume (mL) 3,38 ± 1,72 3,43 ± 2,19 0,801
Sperm concentration (million/mL) 8,8 ± 11,5 42,1 ± 22,7 < 0,001
Sperm motility (%) 42,2 ± 17,5 67,5 ± 10,9 < 0,001
Progressive sperm motility (%) 29,7 ± 18,8 53,4 ± 11,2 < 0,001
Normal sperm morphology (%) 3,1 ± 2,2 4,3 ± 3,6 < 0,001
Fertilization rate (%) 74,6 75,6 0,570
High-quality embryos rate (%) 43,6 44,7 0,716
Transferred embryos (mean ± SD) 1,77 1,80 0,719
Implantation rate (%) 35,4 28,7 0,117
Pregnancy rate (%) 48,19 40,30 0,129
Miscarriage rate (%) 11,25 14,81 0,502

ASP: abnormal sperm parameters, NSP: normal sperm parameters, SD: standard deviation, MII: metaphase II.