Table 3 Odds ratio and adjusted odds ratio for live birth rate after multivariate logistic regression. They were controlled for all variables mentioned in the table
From: Optimal parameters for determining the LH surge in natural cycle frozen-thawed embryo transfers
Parameter | Odds ratio (95% CI) | Adjusted odds ratio (95% CI) | Standard error | P value |
|---|---|---|---|---|
Body mass indexa | ||||
< 30 kg/m2 | 5.6 (2.3–13.8) | 6.6 (2.6–16.8) | 3.1 | <0.001 |
Blastocyst gradingb | ||||
Excellent | – | – | – | <0.001 |
Good | 3.7 (1.3–10.0) | 4.5 (1.5–13.2) | 2.4 | 0.006 |
Average | 4.2 (2.0–8.4) | 4.9 (2.2–10.8) | 1.9 | <0.001 |
Definition of LH surgec | ||||
Group A | 1.6 (1.1–2.5) | 1.7 (1.1–2.8) | 0.42 | 0.01 |
Number of transferred blastocystsd | ||||
2 | 1.1 (0.7–1.6) | 1.1 (0.7–1.8) | 0.2 | 0.4 |
3 | 5.7 (0.6–49.7) | 3.2 (0.3–33.0) | 3.8 | 0.3 |