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Table 2 Demographic characteristics of PE women and controls

From: Analysis of polymorphisms, promoter methylation, and mRNA expression profile of maternal and placental P53 and P21 genes in preeclamptic and normotensive pregnant women

VariableControls n = 228PE n = 226P-value
 Maternal age(mean ± SD, years)28.3 ± 6.427.5 ± 6.20.2
 BMI(kg/m2)26.5 ± 3.127.03 ± 3.70.1
 Gestation age(mean ± SD, days)273 ± 18254 ± 24< 0.0001
 Birth weight (mean ± SD, g)3079 ± 4102873 ± 498< 0.0001
 SBP(mean ± SD, mmHg)103 ± 13151 ± 19< 0.0001
 DBP(mean ± SD, mmHg)68 ± 9.296 ± 12.7< 0.0001
 Primiparity, n(%)60 (26.3)102 (45.1)< 0.0001
Ethnicity
Fars100 (43.9)104 (46)0.4
Balooch128 (56.1)122 (54)
  1. SD: Standard Deviation