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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.