| Table 2. Factors associated with the occurrence of clinical pregnancy evaluated by binary logistic regression model. | ||
| Variable | OR (IC 95% OR) | p-value |
|---|---|---|
| AGE RANGE ≤ 35 years From 36 to 40 years ≥ 41 years |
1.000 0.563 (0.438; 0.721) 0.319 (0.218; 0.462) |
- <0.001 <0.001 |
| EMBRYO TRANSFER STAGE Cleavage Blastocyst |
0.381 (0.298; 0.485) 1.000 |
<0.001 - |
| FREEZING TIME 0 to 90 days 91 to 180 days 181 to 360 days > 360 days |
1.000 0.668 (0.500; 0.888) 0.836 (0.581; 1.195) 0.759 (0.550; 1.041) |
- 0.006 0.329 0.089 |
| Number embryos transfer | 2.737 (2.273; 3.313) | <0.001 |
p-value HL = 0.134.