Table 2.
Characteristics of PCOS group in the training and validation cohorts.
| Training cohort | Validation cohort | p-Value | |
|---|---|---|---|
| Patients | 1,128 | 491 | |
| Female age (years) | 28.90 ± 3.72 | 28.95 ± 3.83 | 0.809 |
| Male age (years) | 29.78 ± 4.24 | 29.98 ± 4.35 | 0.397 |
| Female BMI (kg/m2) | 24.41 ± 3.37 | 24.40 ± 3.28 | 0.962 |
| Infertility duration (months) | 47.51 ± 33.58 | 45.66 ± 33.26 | 0.307 |
| AMH (ng/ml) | 8.46 ± 4.32 | 8.60 ± 4.35 | 0.548 |
| Basal FSH (mIU/ml) | 5.80 ± 1.58 | 5.80 ± 1.49 | 0.947 |
| Basal LH (mIU/ml) | 10.18 ± 7.82 | 10.49 ± 7.44 | 0.463 |
| Gonadotrophin duration (days) | 14.65 ± 2.61 | 14.83 ± 2.77 | 0.204 |
| Gonadotrophin dosage (IU) | 2,174.58 ± 856.0 | 2,214.03 ± 915.26 | 0.404 |
| Oocytes retrieved | 19.17 ± 7.67 | 19.24 ± 7.77 | 0.857 |
| Fertilization rate (%) | 64.12 ± 16.71 | 62.97 ± 16.53 | 0.200 |
| Cleavage rate (%) | 98.70 ± 4.21 | 98.75 ± 3.63 | 0.810 |
| Top day 3 embryo rate (%) | 66.09 ± 24.70 | 64.43 ± 24.59 | 0.215 |
| Blastulation rate (%) | 53.30 ± 31.28 | 52.78 ± 30.20 | 0.753 |
| High-quality blastulation rate (%) | 18.53 ± 23.42 | 17.93 ± 21.87 | 0.628 |
| Embryo utilization rate (%) | 53.89 | 53.50 | 0.618 |
| Average number of ET | 1.57 ± 0.50 | 1.57 ± 0.50 | 0.979 |
| Embryo implantation rate (%) | 61.34 | 57.76 | 0.197 |
| Clinical pregnancy rate (%) | 76.79 | 73.84 | 0.331 |
| Live birth rate (%) | 58.39 | 58.42 | 0.993 |
PCOS, polycystic ovary syndrome; BMI, body mass index; AMH, anti-Mullerian hormone; FSH, follicle-stimulating hormone; LH, luteinizing hormone; ET, embryo transfer.