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Table 2 Classification of Doppler US findings by artery in the study groups

From: Doppler ultrasound evaluation in preeclampsia

Artery Ultrasound finding PE Controls P value
   (n = 65) (n = 37)  
Uterine RI, median (range) 0.54 (0.2-1) 0.51 (0.31-0.62) 0.131
PI, median (range) 0.84 (0.42-1.7) 0.79 (0.44-1.9) 0.510
Notch proportion (%) 20 0.0 0.032*
Uterine abnormal Doppler US proportion (%) 44.6 21.6 0.047*
Umbilical RI, median (range) 0.59 (0.31-1.1) 0.51 (0.28-0.76) 0.027*
PI, median (range) 0.91 (0.42-1.9) 0.78 (0.35-1.26) 0.004*
Umbilical abnormal Doppler US proportion (%) 49.2 29.7 0.107
Middle cerebral RI, median (range) 0.76 (0.5-1) 0.83 (0.4-1.3) 0.500
PI, median (range) 1.4 (0.9-2.66) 1.815 (1.11-2.81) 0.009*
SP, mean (range) 0.462 (0.22-0.80) 0.434 (0.18-0.60) 0.218
Cerebral abnormal Doppler US proportion (%) 23.1 18.9 0.911
  Proportion of Abnormal Doppler US (%) 47.7 24.3 0.021*
  1. P value adjusted by maternal age. *Statistical significance.