| Table 5. Association between Day-3 subgroups and top-quality blastocyst formation | ||||
| Subgroup | OR | 95% CI | p value | Number |
|---|---|---|---|---|
| <8 cells / A or B | - | - | - | 129 |
| <8 cells / C | 10.1 | 1.14, 1,329 | 0.035 | 16 |
| ≥8 cells / A or B | 0.61 | 0.34, 1.10 | 0.10 | 363 |
| ≥8 cells / C | 1.21 | 0.25, 7.38 | 0.8 | 11 |