Table 1 Clinical characteristics of the patients with and without PE

Maternal age (years)

31.45 ± 4.53

29.39 ± 3.37

 > 0.05

Maternal weight (kg)

75.08 ± 10.1

69.13 ± 9.27

 > 0.05

Smoking

0

0

Systolic blood pressure (mmHg)

153.70 ± 10.88

114.91 ± 10.38

 < 0.01^*

Diastolic blood pressure (mmHg)

99.91 ± 10.85

74.03 ± 8.91

 < 0.01^*

Proteinuria (g/d)

 > 0.3

 < 0.3

Body weight of infant (g)

2400.30 ± 664.34

3412.42 ± 504.33

 < 0.01^*

Gestational age (wk)

36.51 ± 2.83

39.47 ± 1.57

 < 0.05^*