Table 5 Analyses of factors affecting top-quality Day 3 embryos (TQE) in POSEIDON Group 4 patients aged ≥40 years using logistic regression

AOA vs. non-AOA

3.83 (1.58–9.29)

0.003

2.79 (1.34–5.82)

0.006

Age (years)

0.99 (0.75–1.30)

0.923

0.92 (0.73–1.17)

0.493

BMI (kg/m²)

0.96 (0.87–1.07)

0.475

0.94 (0.86–1.03)

0.153

Previous IVF attempts

0.77 (0.45–1.34)

0.361

0.79 (0.50–1.24)

0.303

Types of infertility

0.76 (0.33–1.76)

0.524

0.92 (0.45–1.88)

0.818

Basal FSH (IU/l)

1.04 (0.95–1.15)

0.391

1.04 (0.96–1.12)

0.394

AFC (n)

1.01 (0.86–1.20)

0.873

0.98 (0.86–1.13)

0.811

AMH (ng/mL)

0.32 (0.08–1.23)

0.098

0.56 (0.18–1.78)

0.329

No. of MII oocytes (n)

2.02 (1.42–2.89)

< 0.001

1.18 (0.96–1.44)

0.119