Table 2 Description of cycle characteristics and embryo parameters in the pre-training, fine-tuning and validation (Task 1 and 2) phases.
From: Deep-learning model for embryo selection using time-lapse imaging of matched high-quality embryos
Pre-training database | Fine-tuning database | Validation database | ||
|---|---|---|---|---|
Task 1 | Task 2 | |||
1580 embryos | 209 embryos | 348 embryos | 312 embryos | |
Cycle characteristics | ||||
Oocyte age | 32.7 ± 4.6 | 32.2 ± 4.5 | 33.7 ± 4.9 | 33.1 ± 4.8 |
Tobacco use | ||||
- Yes | 11.7% | 12.9% | 12.1% | 10.9% |
- No | 85% | 82.3% | 86.8% | 86.2% |
- Unknown | 3.3% | 4.8% | 1.1% | 2.9% |
Woman BMI (kg/m2) | 24.2 ± 4.9 | 23.9 ± 4.6 | 24.2 ± 5.0 | 24.3 ± 4.8 |
Paternal age | 34.9 ± 5.4 | 34.6 ± 5.3 | 35.9 ± 5.3 | 35.2 ± 5.5 |
Insemination method | ||||
- Conventional IVF | 53.7% | 58.1% | 50.0% | 50.3% |
- ICSI | 46.3% | 41.9% | 50.0% | 49.7% |
Embryo parameters | ||||
Stage | ||||
- Cleavage stage | 74.9% | 70.3% | 69.8% | 74.4% |
- Blastocyst | 25.1% | 29.7% | 30.2% | 25.6% |
Cryopreservation status | ||||
- Fresh | 33.0% | 26.3% | 40.8% | 43.3% |
- Frozen | 67.0% | 73.7% | 59.2% | 56.7% |
Positive outcome | 32.2% | 42.1% | 19.3% | 44.6% |