Table II.
Patient characteristics and cycle parameters according to ovarian sensitivity to gonadotrophins.
| High OSI (≥0.83) | Low OSI (<0.83) | P -value | |
|---|---|---|---|
| N | 699 | 169 | |
| Female age (years) | 38.1 ± 5.4 | 40.4 ± 4.8 | <0.0001 |
| BMI (kg/m2)a | 23.9(95% CI 23.5–24.2) | 23.5 (95% CI 22.9–24.2) | 0.98 |
| AMH (ng/ml)a | 0.81 (95% CI 0.73–0.88) | 0.25 (95% CI 0.21–0.30) | <0.0001 |
| Maximum FSH (mIU/ml)a | 9.8 (95% CI 9.4–10.3) | 16.2 (95% CI 14.7–17.8) | <0.0001 |
| Total gonadotrophins used (IU) | 4757 (95% CI 4587–4927) | 6769 (95% CI 6444–7109) | <0.0001 |
| Oocytes retrieved (n)a | 7.0 (95% CI 6.6–7.5) | 1.5 (95% CI 1.4–1.6) | <0.0001 |
| High-quality embryos | 3.5 (95% CI 3.2–3.8) | 0.6 (95% CI 0.5–0.7) | <0.0001 |
| Pregnancy rate (%) | 23.2 (95% CI 20–26.3) | 8.8 (95% CI 4.5–13.2) | <0.0001 |
| Live birth rate (%) | 18.0 (95% CI 15.2–20.9) | 5.3 (95% CI 1.9–8.8) | <0.0001 |
a
Backtransformed after logarithmic transformation.
OSI, ovarian sensitivity index.