Table 3.
Multiple analysis of factors associated with live birth rate.
| Adjusted OR | 95%CI | P value | |
|---|---|---|---|
| Good quality embryo on day 3(reference) | 1 | ||
| Poor quality embryo on day 3 | 0.56 | 0.39,0.80 | 0.002 |
| Good quality embryo on day 5 | 2.61 | 2.08,3.16 | <0.001 |
| Poor quality embryo on day 5 | 2.52 | 1.77,3.84 | <0.001 |
| Good quality embryo on day 6 | 1.60 | 1.37,1.88 | <0.001 |
| Poor quality embryo on day 6 | 1.13 | 0.94,1.38 | 0.200 |
| Maternal age(years) | 0.92 | 0.91,0.93 | <0.001 |
| Maternal BMI(kg/m2) | 1.01 | 0.99,1.03 | 0.323 |
| Type of infertility | |||
| Second infertility vs. primary infertility | 0.96 | 0.85,1.10 | 0.579 |
| Parity | |||
| Pluriparous vs. nulliparous | 0.80 | 0.65,0.98 | 0.034 |
| Infertility causes | |||
| Female(reference) | 1.07 | 0.87,1.32 | 0.520 |
| Male | 0.96 | 0.83,1.12 | 0.619 |
| Mixed | 1.03 | 0.83,1.27 | 0.814 |
| Unexplained | |||
| FET cycles rank | |||
| 1(reference) | 1 | ||
| 2 | 0.94 | 0.82,1.08 | 0.383 |
| ≥3 | 0.96 | 0.81,1.14 | 0.659 |
| Endometrial preparation program, | |||
| Natural cycle(reference) | 1 | ||
| Mild Stimulation cycle | 1.10 | 0.95,1.29 | 0.211 |
| Hormonal replacement cycle | 1.04 | 0.89,1.22 | 0.638 |
Bold values indicate statistical significance.