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Table 1 Demographic and clinical characteristics of PE patients and the control group

From: Polymorphisms in the hypoxia-inducible factor 1 alpha gene in Mexican patients with preeclampsia: A case-control study

Parameters Control PE P-value
N 105 150  
Maternal Age (years) 27.7 ± 0.6 28.4 ± 0.6 NS
Smoking before pregnancy (%) 16.2 27.7 0.034
Primigravid (%) 37.9 36.9 NS
BMI (Kg/m2) 28.9 ± 0.5 31.3 ± 0.8 0.011
Newborn weight (g) 2991.0 ± 63.1 2177.0 ± 74.6 < 0.001
GAD (weeks) 38.2 ± 0.2 34.8 ± 0.3 < 0.001
   MPE SPE  
SBP (mmHg) 114.1 ± 0.7 137.7 ± 1.9 155.0 ± 1.4 < 0.001
DBP (mmHg) 73.3 ± 0.6 89.7 ± 1.3 100.9 ± 1.0 < 0.001
Proteinuria (mg/24 h) ND 443.6 ± 63.5 2482.0 ± 377.4 < 0.001 ♦♦
  1. Values are the mean ± SEM. PE, preeclampsia; BMI, body mass index; GAD, gestational age at delivery; MPE, mild preeclampsia; SPE, severe preeclampsia; SBP, systolic blood pressure; DBP, diastolic blood pressure; ND: not determined but negative using dipstick test. P values were calculated between the control and preeclampsia group. NS, non significant. Control vs. MPE and SPE; MPE vs. SPE. ♦♦ MPE vs. SPE