Table 2 Demographic characteristics of PE women and controls
Variable | Controls n = 228 | PE n = 226 | P-value |
|---|---|---|---|
 Maternal age(mean ± SD, years) | 28.3 ± 6.4 | 27.5 ± 6.2 | 0.2 |
 BMI(kg/m2) | 26.5 ± 3.1 | 27.03 ± 3.7 | 0.1 |
 Gestation age(mean ± SD, days) | 273 ± 18 | 254 ± 24 | < 0.0001 |
 Birth weight (mean ± SD, g) | 3079 ± 410 | 2873 ± 498 | < 0.0001 |
 SBP(mean ± SD, mmHg) | 103 ± 13 | 151 ± 19 | < 0.0001 |
 DBP(mean ± SD, mmHg) | 68 ± 9.2 | 96 ± 12.7 | < 0.0001 |
 Primiparity, n(%) | 60 (26.3) | 102 (45.1) | < 0.0001 |
Ethnicity | |||
  Fars | 100 (43.9) | 104 (46) | 0.4 |
  Balooch | 128 (56.1) | 122 (54) | |