Table 5 Sensitivity, specificity, PPV, NPV, and diagnostic accuracy of different sonographic parameters for prediction of adverse neonatal outcomes
Cut-off points | Cut of point | Sensitivity | Specificity | PPV* | NPV* | accuracy |
|---|---|---|---|---|---|---|
Apgar score <7 at 1 min | ||||||
Umbilical artery PI | 1.005 | 56.52 | 63.78 | 22.03 | 89.01 | 62.67 |
Middle cerebral artery PI | 1.25 | 78.3 | 52.8 | 23.08 | 93.06 | 56.57 |
Cerebroplacental ratio | 1.235 | 60.89 | 66.14 | 24.56 | 90.32 | 65.33 |
NICU admission | ||||||
Umbilical artery PI | 1.005 | 57.89 | 63.36 | 18.64 | 91.21 | 62.67 |
Middle cerebral artery PI | 1.25 | 68.42 | 50.38 | 16.67 | 91.67 | 52.67 |
Cerebroplacental ratio | 1.205 | 63.16 | 70.99 | 24 | 93 | 70 |