Table 1. General characteristics of PE and normal pregnancy groups.
| Characteristics | Preeclamptic (n = 55) | Normal pregnancy (n = 93) | p value |
|---|---|---|---|
| Age, yr | 29.3 ± 5.5 | 26.6 ± 6.0 | 0.009 |
| Education, yr | 9.3 ± 4.5 | 7.9 ± 5.2 | 0.095 |
| Gestational age, wk | 34.1 ± 2.7 | 35.7 ± 2.7 | 0.125 |
| Pre-pregnancy BMI, kg/m2 | 25.7 ±5.5 | 22.8 ± 4.7 | 0.001 |
| No. of pregnancy | 1.9 ± 1.2 | 2.5 ± 2.1 | 0.049 |
| Primiparous | 10.9 | 5.4 | 0.049 |
| History of preeclampsia | 25.5 | 1.1 | < 0.001 |
| History of abortion | 21.8 | 18.3 | 0.603 |
| History of stillbirth | 7.3 | 12.9 | 0.290 |
| History of twin birth | 5.5 | 7.5 | 0.630 |
Values are presented as mean ± SD or percentage; p value < 0.05 was considered significant.
PE, preeclampsia; BMI, body mass index; SD, standard deviation.