| Table 2. Unadjusted odds ratio (OR) and 95% confidence intervals (CI) for the association EPL with the studied factors. | ||||
| Factors | EPL (n=29) | No EPL (n=166) | OR |
95% CI |
|---|---|---|---|---|
| Age (years) <25 25-30 30-35 > 35 |
4 7 10 8 |
30 59 48 29 |
1.00 0.90 1.60 2.00 |
Reference 0.25-3.28 0.45-5.43 0.60-7.60 |
| Body mass index (kg/m2) >25 25-30 > 30 |
4 13 12 |
28 68 70 |
1.00 1.30 1.20 |
Reference 0.40-4.46 0.35-4.01 |
| Prescribed protocol Long Short Soft Low cost |
20 7 0 2 |
115 20 2 29 |
1.00 2.00 - 0.40 |
Reference 0.75-5.37 - 0.10-1.80 |
| Embryo transfer Single Two embryos Three or more |
3 4 22 |
7 23 136 |
1.00 0.40 0.40 |
Reference 0.10-2.57 0.10-1.60 |
| Embryo grade Grade A Grade B Mixed A & B |
27 0 7 |
152 1 13 |
1.15 - 1.00 |
0.25-5.40 - Reference |
*OR=odds ratio. **CI=confidence interval