Table 5.
Binary logistic regression model for predicting the risk of early onset LH peak in PCOS patients
| Independent variable | β | p | OR | 95% CI lower limit | 95% CI upper limit |
|---|---|---|---|---|---|
| Gn duration (days) | -0.131 | 0.356 | 0.877 | 0.664 | 1.158 |
| Total Gn doses(U) | -0.001 | 0.274 | 0.999 | 0.999 | 1.000 |
| Duration of infertility(years) | -0.028 | 0.716 | 0.973 | 0.839 | 1.128 |
| BMI(kg/m2) | -0.009 | 0.860 | 0.991 | 0.893 | 1.099 |
| Number of oocytes | -0.027 | 0.402 | 0.973 | 0.913 | 1.037 |
| Basal FSH(IU/L) | 0.153 | 0.219 | 1.165 | 0.913 | 1.487 |
| Basal LH(IU/L) | 0.022 | 0.514 | 1.022 | 0.957 | 1.091 |
| Basal E2(pg/L) | -0.005 | 0.562 | 0.995 | 0.977 | 1.013 |
| Basal P (ng/mL) | 0.374 | 0.069 | 1.453 | 0.972 | 2.173 |
| Basal T (ng/mL) | -1.066 | 0.103 | 0.344 | 0.096 | 1.240 |
| Number of 2PN | 0.034 | 0.420 | 1.034 | 0.953 | 1.122 |
| Number of good-quality embryos | -0.117 | 0.113 | 0.889 | 0.769 | 1.028 |
| Gn distance from antagonist days (days) | 0.165 | 0.100 | 1.179 | 0.969 | 1.436 |
| E2 on the day of hCG(pg/L) | 0.000 | 0.132 | 1.000 | 1.000 | 1.001 |
| P on the day of hCG(ng/mL) | 0.256 | 0.157 | 1.292 | 0.906 | 1.844 |
| Constant | -1.142 | 0.588 | 0.319 |
Note: R2 = 0.190; F = 31.776; p = 0.007