Table 1 Characteristics of included women

Number

54

275

–

53

64

53

–

 Mean age (years)

27.61 ± 4.52

30.16 ± 5.53

<  0.001

31.70 ± 5.51

30.27 ± 6.00

31.28 ± 5.12

0.180

 Gestation week (weeks)

37.96 ± 3.71

36.65 ± 3.68

0.012

37.19 ± 2.20

37.31 ± 2.87

34.53 ± 4.19^ab

<  0.001

 Primipara (%)

35 (64.8)

146 (53.1)

0.113

25 (47.2)

38(59.4)

27(50.9)

0.395

 Multipara (%)

19 (35.2)

129 (46.9)

28 (52.8)

26 (40.6)

26 (49.1)

 Spontaneously (%)

38 (70.4)

24 (8.7)

<  0.001

6 (13)

1 (1.7)

1 (2.4)

0.038

 Caesarean section (%)

14 (29.6)

232 (91.3)

46 (87)

59 (98.3)

42 (97.6)

 SBP (mmHg)

113.46 ± 9.67

146.34 ± 18.24

<  0.001

140.76 ± 14.23

143.67 ± 17.72

155.40 ± 19.53^ab

<  0.001

 DBP (mmHg)

70.5 ± 8.53

95.44 ± 13.68

<  0.001

91.30 ± 9.83

93.60 ± 13.10

104.15 ± 14.42^ab

<  0.001

 ALT (U/L)

14.58 ± 13.34

34.59 ± 64.46

<  0.001

37.79 ± 93.46

24.51 ± 25.83

43.62 ± 78.85

0.055

 AST (U/L)

18.37 ± 6.89

35.82 ± 49.85

<  0.001

35.70 ± 67.53

30.01 ± 40.16

43.63 ± 64.72

0.191

 Albumin (g/L)

37.44 ± 4.55

34.15 ± 4.92

<  0.001

36.63 ± 3.62

34.23 ± 4.38^a

31.38 ± 4.52^ab

<  0.001

 Uric acid (μmol/L)

315.72 ± 67.35

424.38 ± 108.67

<  0.001

352.09 ± 82.85

419.66 ± 119.40^a

460.14 ± 99.80^a

<  0.001

 Creatinine (μmol/L)

45.22 ± 6.23

62.53 ± 46.85

<  0.001

46.44 ± 8.46

58.53 ± 18.95

72.52 ± 41.09^ab

<  0.001

 Proteinuria (mg/24 h)

–

–

–

136.27 ± 89.39

884.29 ± 538.33

6246.13 ± 5099.54^ab

<  0.001