Table 1 Characteristics overall and by diagnostic categories

n

54

37

17

Age, years (SD)

26.3 (6.6)

27.6 (6.5)

23.3 (5.9)

0.025

Married (%)

23 (42.6)

17 (45.9)

6 (35.3)

0.56

Weight, kg (SD)

76.9 (14.6)

78.4 (14.4)

73.6 (14.8)

0.27

Body mass index, Kg/m² (SD)

26.3 (4.8)

26.7 (4.7)

25.4 (5.2)

0.37

Systolic blood pressure, mmHg (SD)

167.2 (19.6)

166.6 (16.9)

168.7 (25.1)

0.71

Diastolic blood pressure, mmHg (SD)

104.1 (17.6)

104.6 (17.2)

102.9 (19.0)

0.75

Personal history, n (%)

9 (16.7)

9 (24.3)

0

0.044

Family history, n (%)

2 (3.7)

2 (5.4)

0

>0.99

Gravidity, median (min-max)

1 (1–3)

2 (1–4)

1 (1–1)

0.018

Para, median (min-max)

1 (0–2)

1 (1–2)

1 (0–1)

0.007

Premature, median (min-max)

0 (0–1)

0 (0–1)

0 (0–1)

0.72

Aborted, median (min-max)

0 (0–1)

0 (0–1)

0 (0–1)

0.88

Alive, median (min-max)

1 (1–2)

1 (1–3)

1 (1–1)

0.0005

Primipartenity, n (%)

37 (68.5)

22 (59.4)

15 (88.2)

0.06

Single gestation, n (%)

49 (90.1)

34 (9.9)

15 (88.2)

0.64

Gestational age at diagnosis, week (SD)

34.3 (6.0)

34.8 (5.8)

33.3 (6.5)

0.42

Gestational age at delivery, week (SD)

36.9 (3.5)

37.6 (2.8)

35.4 (4.2)

0.028

Delivery – diagnosis time, day (median, min-max)

0 (0–20)

0 (0–20)

0 (0–17)

0.18

Time to delivery from diagnosis >1 week, n (%)

14 (25.9)

11 (29.7)

3 (17.6)

0.51

Vaginal delivery, n (%)

31 (57.4)

20 (54)

11 (64.7)

0.56

Birth weight, g (SD)

2732 (691)

2938 (586)

2286 (708)

0.0008

Foetal outcome, n (%)

<0.0001

 Death

10 (18.5)

2 (5.4)

8 (47)

 Alive

44 (81.5)

35 (94.6)

9 (53)

Treatment received

 Methyl-dopa tablet, n (%)

47 (87)

31 (83.8)

16 (94.1)

0.41

 Nicardipine injection, n (%)

35 (64.8)

19 (51.3)

16 (94.1)

0.002

 Nicardipine tablet, n (%)

32 (59.2)

23 (62.2)

9 (52.9)

0.56

 Labetalol tablet, n (%)

4 (7.4)

3 (8.1)

1 (5.9)

>0.99

 Diazepam injection, n (%)

5 (9.2)

0

5 (29.4)

0.002

 Clorazepam tablet, n (%)

10 (18.5)

4 (10.8)

6 (35.3)

0.06

 MgSO4 injection, n (%)

54 (100)

37 (100)

17(100)

NA

Outcomes

 Persisting hypertension at M3, n (%)

15 (27.8)

11 (29.7)

4 (23.5)

0.75

 Persisting hypertension at M6, n (%)

8 (14.8)

6 (16.2)

2 (11.8)

>0.99

 Persisting proteinuria at M3, n (%)

17 (31.5)

8 (21.6)

9 (52.9)

0.03

 Persisting proteinuria at M6, n (%)

1 (1.8)

1 (2.7)

0

>0.99

 Persisting hypertension or proteinuria at M3, n (%)

26 (48.1)

16 (43.2)

10 (58.8)

0.38

 Persisting hypertension or proteinuria at M6, n (%)

9 (16.7)

7 (18.9)

2 (11.8)

0.70