Table 2.
Multivariate logistic regression analysis of factors potentially impacting on total good blastocyst development rate (TGBDR)
| Characteristic | Categories | Univariable odds ratio of TGBDR (95% CI) | Multivariablea odds ratio of TGBDR (95% CI) | p-Valueb |
|---|---|---|---|---|
| Female age (years) | < 40 | 1 | 1 | < 0.001 |
| ≥ 40 | 0.489 (0.362–0.659) | 0.463 (0.318–0.674) | ||
| Male age (years) | < 43 | 1 | 1 | 0.009 |
| ≥ 43 | 0.56 (0.412–0.762) | 0.611 (0.417–0.894) | ||
| Number of retrieved oocytes | 1–5 | 1 | 1 | 0.001 |
| 6–10 | 1.116 (0.753–1.654) | 0.85 (0.54–1.338) | ||
| 11–15 | 0.969 (0.635–1.479) | 0.691 (0.423–1.13) | ||
| > 15 | 0.618 (0.384–0.995) | 0.395 (0.227–0.687) | ||
| Day 3 embryo development rate | < 45% | 1 | 1 | < 0.001 |
| 45%–70% | 3.397 (2.417–4.773) | 3.56 (2.499–5.069) | ||
| > 70% | 7.245 (5.037–10.421) | 8.52 (5.64–12.073) |