Table 3 Prediction of vaginal delivery by measuring FHPD and angle of fetal head descent
FHPD | Angel of fetal head descent | |
|---|---|---|
Area under the ROC curve | 0.841 | 0.913 |
Criterion | ≥ 4.2 cm | > 115° |
Sensitivity | 80 | 93.33 |
95% CI | 51.9–95.7 | 68.1–99.8 |
Specificity | 84.62 | 84.62 |
95% CI | 54.6–98.1 | 54.6–98.1 |
PPV | 85.7 | 87.5 |
95% CI | 57.2–98.2 | 61.7–98.4 |
NPV | 78.6 | 91.7 |
95% CI | 47.9–95.7 | 59.7–99.8 |
+ LR | 5.2 | 6.07 |
95% CI | 3.7–7.3 | 4.6–7.9 |
− LR | 0.24 | 0.079 |
95% CI | 0.05–1.2 | 0.008–0.8 |