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Table 1 Comparison of general characteristics between study groups

From: Doppler ultrasound evaluation in preeclampsia

Characteristic PE Controls P value
  (n = 65) (n = 37)  
Maternal age years, mean (range) 29.1 (15–42) 26.1 (17–36) 0.019*
Gestational age weeks, median (range) 34 (24.5-37) 32 (24–37) 0.084
Number of pregnancies, median (range) 2 (1–9) 2 (1–6) 0.608
Past history of PE, n (%) 10 (15.4) 1 (2.7) 0.098
Familial history of PE, n (%) 9 (13.8) 1 (2.7) 0.141
Primipaternity n (%) 24 (36.9) 11 (29.7) 0.604
Nulliparous, n (%) 26 (40.0) 11 (29.7) 0.410
Blood pressure systolic, median (range) 140 (130–179) 100 (90–122) < 0.001
Blood pressure diastolic, median (range) 90 (50–120) 70 (50–80) < 0.001
  1. *Statistical significance.