Table V.
Relative indexes of ROC curve for prediction of pASD by FO/AO at different gestational ages.
| GA (weeks) | Area under curve | 95% confidence interval | DP (mm) | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|
| 18–22 | 0.958 | 0.898–1.000 | 1.28 | 100 | 83.0 |
| 23–26 | 0.937 | 0.879–0.994 | 1.40 | 83.3 | 78.4 |
| 27–30 | 0.974 | 0.947–1.000 | 1.32 | 100 | 92.9 |
| 31–34 | 0.967 | 0.933–1.000 | 1.33 | 100 | 92.2 |
| 35–40 | 0.961 | 0.874–1.000 | 1.22 | 100 | 94.1 |
GA, gestational age; DP, demarcation point; FO/AO, ratio of the size of the foramen ovale to the size of the aorta; pASD, puerperal atrial septal defect.