| Table 1. Descriptive analysis of patients' demographics and ICSI cycles' outcomes | ||||
| Variables | N | Mean | SD | Range |
| Patients' demographics | ||||
| Maternal age (y-old) | 583 | 34.3 | 4.1 | 21-45 |
| Paternal age (y-old) | 583 | 37.2 | 5.6 | 25-63 |
| Total FSH administered (IU) | - | 2279 | 605 | 600-4950 |
| Estradiol level (pg/mL) | - | 2124 | 1538 | 125-10000 |
| COS outcomes | ||||
| Aspirated follicles | 14905 | 20.1 | 10.6 | 2-64 |
| Retrieved oocytes | 10868 | 14.6 | 8.1 | 1-5 |
| Mature oocyte rate (%) | 8072/10868 | 74.3 | - | - |
| Injected oocytes | 7609 | 10.2 | 5.0 | 1-36 |
| Laboratorial outcomes | ||||
| Fertilization rate (%) | 5705/7609 | 75.0 | - | - |
| Blastocyst formation rate (%) | 3147/5705 | 55.2 | - | - |
| Transferred embryos | 1639 | 2.2 | 0.6 | 1-4 |
| Clinical outcomes | N | % | ||
| Clinical pregnancy rate (%) | 308/743 | 41.5 | ||
| Miscarriage rate (%) | 48/308 | 15.6 | ||
| Implantation rate (%) | 407/1639 | 24.8 | ||
| Note: SD, standard deviation; IU, international units; COS, controlled ovarian stimulation. | ||||