Table IV.
Effect of patients and cycle characteristics on cumulative ongoing pregnancy based on Cox regression analysis (per patient basis).
| Covariate | P-value | OR | (95% CI) |
|---|---|---|---|
| Female age groups | |||
| ≤ 34 years (reference) | – | – | – |
| 35–37 years | 0.36 | 0.78 | 0.47 to 1.31 |
| 38–40 years | 0.36 | 0.77 | 0.45 to 1.33 |
| 41–43 years | 0.04 | 0.44 | 0.18 to 0.64 |
| Infertility factors | |||
| Male (reference) | – | – | – |
| Idiopathic | 0.75 | 0.90 | 0.48–1.67 |
| Endometriosis | 0.19 | 0.38 | 0.09–1.60 |
| Ovulatory | 0.54 | 0.53 | 0.07–3.91 |
| Tubal | 0.81 | 0.93 | 0.52–1.65 |
| Combined | 0.25 | 1.56 | 0.73–3.32 |
| Basal FSH | 0.60 | 0.82 | 0.82 – 1.23 |
| Number of COC | 0.85 | 1.01 | 0.92–1.09 |
| Number of MII oocytes | 0.57 | 1.03 | 0.92–1.14 |
| Incubation time prior to ICSI/vitrification | 0.77 | 1.02 | 0.88–1.17 |
| Stimulation protocol | 0.41 | 0.79 | 0.45–1.37 |
| Sperm quality | 0.84 | 1.07 | 0.56–2.03 |
OR, odds ratio; 95% CI, 95% confidence interval.