Table 4.
Binomial logistic regression for likelihood of live birth based on embryo grade, transfer type, and age.
| B | SE | Wald | df | P | Odds ratio | 95% CI for odds ratio |
||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| A ICM | 1.183 | 2 | .554 | |||||
| B ICM | 0.061 | 0.133 | 0.207 | 1 | .649 | 1.063 | 0.818 | 1.380 |
| C ICM | –0.229 | 0.302 | 0.571 | 1 | .450 | 0.796 | 0.440 | 1.439 |
| A TE | 15.858 | 2 | <.001 | |||||
| B TE | –0.390 | 0.134 | 8.485 | 1 | .004 | 0.677 | 0.521 | 0.880 |
| C TE | –0.932 | 0.251 | 13.731 | 1 | <.001 | 0.394 | 0.241 | 0.645 |
| Age | –0.107 | 0.015 | 51.495 | 1 | <.001 | 0.898 | 0.873 | 0.925 |
| Frozen ET | –0.474 | 0.120 | 15.503 | 1 | <.001 | 0.623 | 0.492 | 0.788 |
| Constant | 3.563 | 0.521 | 46.697 | 1 | <.001 | 35.257 | ||
Note: CI = confidence interval; ET = embryo transfer; ICM = inner cell mass; SE = standard error; TE = trophectoderm epithelium.