Table 3.
Binary logistic analysis of factor related to clinical pregnancy per cycle
| Variable | Clinical pregnancy | B | Wald | OR (95 % CI) | P value | |
|---|---|---|---|---|---|---|
| YES | NO | |||||
| Age | 30.61 ± 4.68 | 32.09 ± 5.38 | −0.35 | 27.42 | 0.71 (0.62, 0.81) | 0.00 |
| BMI | 22.47 ± 2.93 | 22.88 ± 2.99 | −0.04 | 9.46 | 0.96 (0.94, 0.99) | 0.00 |
| Basal FSH | 6.94 ± 2.48 | 7.14 ± 2.98 | −0.01 | 0.29 | 0.99 (0.96, 1.02) | 0.59 |
| No. of oocytes/cycle | 9.89 ± 4.78 | 9.15 ± 5.02 | −0.00 | 0.02 | 1.00 (0.98, 1.02) | 0.90 |
| Rate of 2pn (%) | 66.6 (8438/12671) | 62.4 (8683/13922) | 0.53 | 8.16 | 1.69 (1.18, 2.43) | 0.00 |
| Rate of top-quality embryos (%) | 54.3 (4586/8438) | 53.9 (4516/8386) | 0.21 | 2.89 | 1.23 (0.97, 1.56) | 0.09 |
| No. of embryo transferred | ||||||
| ET2 | 1100 | 1146 | 37.16 | 1.00 | 0.00 | |
| ET1 | 46 | 191 | −1.12 | 27.00 | 0.33 (0.21, 0.50) | 0.00 |
| ET3 | 135 | 184 | −0.02 | 0.03 | 0.98 (0.75, 1.28) | 0.87 |
| The source of embryos transferred | ||||||
| 2PN ET | 1217 | 1411 | 0.10 | 1.00 | 0.95 | |
| 0PN + 2PN ET | 48 | 65 | 0.10 | 0.10 | 1.11 (0.58, 2.12) | 0.75 |
| 0PN ET | 17 | 53 | 0.08 | 0.05 | 1.09 (0.53, 2.23) | 0.82 |
| Constant | 0.82 | 2.67 | 2.27 | 0.10 | ||