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Table 2 Baseline and pregnancy characteristics

From: Vasoactive agents for the prediction of early- and late-onset preeclampsia in a high-risk cohort

 

Early-onset preeclampsia n = 6

Late-onset preeclampsia n = 21

Control women with risk factors for preeclampsia n = 26

Healthy control women without risk factors for preeclampsia n = 53

Age at entry, years (SD)

31.2 (3.7)

32.6 (5.0)

29.7 (6.0)

30.1 (4.6)

Nulliparous, n (%)

3 (50%)

3 (17%)*

9 (35%)

34 (64%)

Body mass index before pregnancy, kg/m3 (geometric mean and 95% CI)

28.5 (21.8-37.2)**

30.3 (27.1-33.7)**

27.8 (25.5-30.3)**

22.7 (22.0-23.4)

Height, cm (SD)

162.5 (3.3)

166.1 (4.8)

166.3 (6.6)

167.0 (5.5)

Systolic blood pressure, mmHg (SD)

183 (15)**

167 (16)**

140 (18)**

125 (13)

Diastolic blood pressure, mmHg (SD)

111 (11)**

108 (8)**

91 (11)**

81 (7)

Proteinuria g/24 hours urine collection (SD)

5.7 (4.8)

1.6 (2.0)

-

-

Gestational age at delivery, weeks (geometric mean and 95% CI)

32.8 (31.0-34.7)

39.2 (38.6-39.7)

40.0 (39.6-40.3)

40.2 (39.8-40.6)

Birth weight, g (SD)

1600 (490)

3360 (110)

3480 (470)

3460 (410)

Birth weight sd score

−2.2 (0.7)

−0.3 (1.1)

−0.2 (1.1)

−0.3 (0.8)

Gestational age at first sample, weeks (SD)

12.6 (0.6)

12.9 (0.6)

12.8 (0.7)

12.9 (0.6)

Gestational age at second sample, weeks (SD)

19.3 (0.3)

18.9 (0.5)

19.1 (0.6)

19.1 (0.6)

Gestational age at third sample, weeks (SD)

26.3 (0.5)

26.3 (0.6)

26.8 (0.8)

26.6 (0.8)

  1. Continuous, normally distributed data presented as mean (standard deviation, SD).
  2. Continuous non-normally distributed data presented as geometric mean (95% confidence interval, CI).
  3. * p < 0.05 between groups.
  4. ** p < 0.05 for comparison with control women without risk factors.
  5. p < 0.05 for comparison with early onset preeclampsia group.
  6. Early-onset preeclampsia is diagnosed before 34 + 0 weeks and days of gestation.
  7. Late-onset preeclampsia is diagnosed after 34 + 0 weeks and days of gestation.