Table 3 Pregnancy outcome of the analysed cycles in terms of gestational sacs, as observed by ultrasound at 12 weeks of gestation. The observed percentages in the data and the fitted percentages by the prediction models are given
Model A | Model B | ||||||
|---|---|---|---|---|---|---|---|
Not pregnant | One gestational sac | Two gestational sacs | Not pregnant | One gestational sac | Two gestational sacs | ||
Single embryo transfer | Observed | 61.3% | 38.7% | 0% | 62.8% | 37.2% | 0% |
Fitted | 62.1% | 37.9% | 0% | 63.4% | 36.6% | 0% | |
Double embryo transfer | Observed | 67.9% | 26.9% | 5.1% | 65.2% | 26.2% | 8.6% |
Fitted | 63.0% | 30.4% | 6.6% | 63.6% | 25.6% | 10.8% | |