Umbilical artery | Before | After | p |
RI (resistance index) |
|
|
|
Min. - Max. | 0.46 - 1.0 | 0.4 - 0.90 | <0.001* |
Mean ± SD. | 0.69 ± 0.15 | 0.63 ± 0.12 | |
Median | 0.66 | 0.62 | |
PI (pulsatility index) |
|
|
|
Min. - Max. | 0.6 - 2.16 | 0.40 - 2.0 | <0.001* |
Mean ± SD. | 1.16 ± 0.43 | 1.05 ± 0.41 | |
Median | 1.08 | 1.0 | |
SDR (Systolic-diastolic ratio) |
|
|
|
Min. - Max. | 0.7 - 7.80 | 0.8 - 6.33 | < 0.001* |
Mean ± SD. | 3.30 ± 1.37 | 3.03 ± 1.11 | |
Median | 2.90 | 2.69 |