| Table 1. Descriptive analysis of patients’ demographics, response to COS and laboratorial ICSI outcomes according to trigger groups matched by female age. | |||
| Variables | Dual trigger (n=44) | r-hCG trigger (n=44) | p-value |
| Female age (years) | 37.27±3.94 | 37.91±3.80 | 0.443 |
| Male age (years) | 39.61±4.54 | 37.18±5.08 | 0.028 |
| Female BMI | 24.83±3.11 | 24.51±3.90 | 0.682 |
| FSH dose (IU) | 2685.26±829.53 | 2519.58±877.67 | 0.397 |
| Length of stimulation (days) | 10.24±1.37 | 10.92±1.71 | 0.082 |
| Length of pituitary suppression (days) | 4.49±1.03 | 4.64±1.19 | 0.584 |
| Total number of follicles on trigger day | 10.64±6.53 | 8.43±6.59 | 0.119 |
| Mature follicular rate (%) | 36.12±17.38 | 43.73±26.10 | 0.210 |
| Estradiol level (pg/mL) | 1685.77±992.52 | 1188.57±1009.53 | 0.155 |
| Number of retrieved oocytes | 7.89±5.31 | 5.30±5.07 | 0.022 |
| Oocyte yield (%) | 72.51±24.77 | 55.10±30.50 | 0.005 |
| MII oocyte rate (%) | 70.33±26.87 | 63.17±30.29 | 0.266 |
| MI oocyte rate (%) | 6.50±2.14 | 14.53±20.92 | 0.044 |
| PI oocyte rate (%) | 17.45±22.90 | 15.70±24.16 | 0.741 |
| Fertilization rate (%) | 84.27±29.63 | 77.58±35.03 | 0.373 |
| Blastocyst development rate (%) | 29.98±39.72 | 30.66±30.69 | 0.948 |
Note: values are mean ± standard deviation, unless otherwise noted. COS – controlled ovarian stimulation, r-hCG – recombinant human chorionic gonadotropin, BMI – body mass index, IU – international unit, MII – metaphase II, MI – metaphase I, PI – prophase I.