| 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.