| Table 5. Multivariate logistic regression analysis for clinical pregnancy as a dependent variable. | |||||
| Independent variable | ß | SE | p | Confidence interval at 95% | |
|---|---|---|---|---|---|
| BMI (%) | -0.04 | 0.02 | 0.017 | -0.08 | -0.01 |
| Age of patient (years) | -0.04 | 0.02 | 0.072 | -0.08 | 0.00 |
| Stimulation days | -0.07 | 0.08 | 0.375 | -0.23 | 0.09 |
| rFSH doses (U/L) | 0.01 | 0.01 | 0.555 | -0.00 | 0.01 |
| No. of retrieved oocytes | -0.04 | 0.03 | 0.162 | -0.09 | 0.02 |
| No. of inseminated oocytes | -0.08 | 0.05 | 0.131 | -0.20 | 0.03 |
| Fertilized oocytes (%) | 0.16 | 0.18 | 0.369 | -0.19 | 0.53 |
| Cleaved embryos at Day 3 (%) | 0.02 | 0.19 | 0.921 | -0.36 | 0.40 |
| No. cell/embryo at Day 3 (Mean±SD) | 0.17 | 0.10 | 0.090 | -0.03 | 0.37 |
| Blastocyst formation rate (%) | -0.07 | 0.05 | 0.147 | -0.17 | 0.03 |
| No. embryo transferred | -0.04 | 0.36 | 0.273 | -1.12 | 0.33 |
Dependent variable: Pregnancy Rate. ß = coefficient of regression, SE = standard error, p = probability, N = sample size. R2 = 0.345, P = 0.0047, N = 191.