Table 4.
Multivariate logistic regression analysis of risk factors for miscarriage.
| OR | 95% CI | P | |
|---|---|---|---|
| Age, years | 0.967 | 0.895-1.045 | 0.396 |
| Infertile duration, years | 1.048 | 0.948-1.158 | 0.361 |
| BMI, kg/m2 | 1.069 | 1.020-1.122 | 0.006 |
| Basal FSH (mIU/mL) | 0.896 | 0.745-1.078 | 0.245 |
| Basal LH (mIU/mL) | 0.977 | 0.927-1.031 | 0.397 |
| Basal testosterone (ng/mL) | 0.652 | 0.324-1.311 | 0.230 |
| Total Gn dosage (IU) | 1.000 | 1.000-1.000 | 0.555 |
| Gn stimulation, days | 1.067 | 0.952-1.195 | 0.267 |
| Oocytes retrieved (n) | 0.969 | 0.917-1.024 | 0.269 |
| E2 on HCG day (pg/mL) | 1.000 | 1.000-1.000 | 0.959 |
| Progesterone on HCG day (ng/mL) | 0.903 | 0.560-1.455 | 0.674 |
| LH on HCG day (mIU/mL) | 0.776 | 0.458-1.317 | 0.348 |
| Endometrial thickness | 1.000 | 0.889-1.126 | 0.996 |
| Available embryos | 0.981 | 0.892-1.078 | 0.685 |
BMI: body mass index; FSH: follicle-stimulating hormone; LH: luteinizing hormone; Gn: gonadotropin; E2: estradiol; HCG: human chorionic gonadotropin. CI: confidence interval; OR: odds ratio.