Table 5.
Area under the curve and the P value in the receiver operating characteristic curve for the different Doppler measurements
| Parameters | Area under the curve | P value |
|---|---|---|
| MCA PI <5th centile | 0.587 | .119 |
| High UA PI | 0.487 | .810 |
| Absent UA | 0.658 | .004 |
| Reversal UA | 0.530 | .586 |
| CPR <5th centile | 0.656 | .005 |
| Abnormal DV | 0.524 | .669 |
| Abnormal AoI | 0.535 | .529 |
AoI, aortic isthmus; CPR, cerebroplacental ratio; DV, ductus venosus; MCA, middle cerebral artery; PI, pulsatility index; UA, umbilical artery.
Vasudeva. Clinical utility of aortic isthmus Doppler. Am J Obstet Gynecol Glob Rep 2022.