Table 4.
Logistic regression model of the possible factors associated with clinical pregnancy in vitrified blastocyst cycles on egg donation program, All.
Odds ratio | 95% CI | P value | |
---|---|---|---|
Patient age | 0.96 | 0.94–0.99 | 0.005 |
Donor age | 0.99 | 0.95–1.02 | 0.65 |
Sperm quality | 1.13 | 0.81–1.58 | 0.46 |
Top vs. fair | 1.57 | 1.10–2.24 | 0.01 |
Good vs. fair | 1.39 | 1.04–1.87 | 0.02 |
Fertilization rate | 0.71 | 0.32–1.58 | 0.41 |
Cleavage rate | 0.91 | 0.32–2.62 | 0.87 |
Weighted score day 3 | 0.94 | 0.68–1.30 | 0.74 |
Blastulation rate | 0.93 | 0.44–1.95 | 0.86 |
Freezing rate | 1.00 | 0.99–1.01 | 0.14 |
Day 5 vs. day 6 | 1.91 | 1.43–2.54 | < 0.001 |
Total cycles | 0.89 | 0.83–0.96 | < 0.001 |