Table 4.
Effects of serum β-hCG levels on pregnancy outcomes by logistic regression analysis
95% Confidence Interval for OR | ||||
---|---|---|---|---|
OR | lower limit | upper limit | P | |
Clinical pregnancy | 1.875 | 1.522 | 2.310 | 1.38E-10 |
Early miscarriage | 0.889 | 0 .739 | 1.069 | 0.889 |
Ectopic pregnancy | 1.019 | 0.802 | 1.295 | 0.876 |
Live birth | 1.416 | 1.162 | 1.726 | 0.001 |
Serum β-hCG was included as a categorical variable (categorized by 5–50, 51–100, 101–150, 151–200, 201–250, 251–299 mIU/ml)
Adjusted for female age, days of embryo transfer and number of embryo transfer