| Table 1. Comparison of demographic data and ICSI cycles’ characteristics between Biochemical, Positive and Negative groups (n=753 cycles). | ||||
| ICSI outcomes | Biochemical Group | Negative Group | Positive Group | |
|---|---|---|---|---|
| n | 30 | 468 | 255 | |
| Maternal age (years) | 38.2±0.6 ab | 38.0±0.15 a | 37.2±0.2 b | 0.016 |
| Paternal age (years) | 43.2±1.3 a | 38.5±0.4 b | 38.6±0.5 b | 0.003 |
| Female BMI (kg/m2) | 23.6±1.4 | 24.2±0.4 | 24.2±0.5 | 0.916 |
| Total dose of FSH (IU) | 2200.0±349.9 | 2375.4±92.8 | 2455.5±121.2 | 0.739 |
| Aspirated follicles (n) | 8.0±1.4 | 8.1±0.4 | 9.8±0.5 | 0.687 |
| Retrieved oocytes (n) | 7.0±1.1 | 6.9±0.3 | 7.5±0.4 | 0.412 |
| Mature oocytes rate (%) | 77.4 | 76.7 | 74.3 | 0.795 |
| Fertilization rate (%) | 86.7 | 76.1 | 78.4 | 0.176 |
| Blastocyst development (%) | 43.0 | 41.0 | 44.7 | 0.599 |
| Transferred embryos (n) | 1.8 | 1.7 | 1.7 | 0.696 |
Note: ICSI–intracytoplasmic sperm injection; BMI–body mass index; FSH–follicle-stimulating hormone; IU–international unit. Values are the mean±standard error, unless otherwise noted. Different superscript letters in a line represent significant differences (p<0.05).