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Table 1 Maternal Risk Factors

From: Obstetric prognosis in sisters of preeclamptic women – implications for genetic linkage studies

 

reference group

unaffected sisters of preeclamptic index patients

affected sisters of preeclamptic index patients

risk factor

N = 530

N = 63

N = 42

Age < 18 years

14 (2.64%)

2 (3.17%)

1 (2.38%)

Age > 35 years

11 (2.08%)

0 P = 0.617a

0 P = 1.00a

Miscarriage

39 (7.34%)

4 (6.35%) P = 1.00a

5 (11.90%) P = 0.358a

Pregravid body mass index > 25

73 (13.73%)

4 (6.78%) P = 0.134

10 (22.5%) P = 0.129

Unemployed

74 (13.94 %)

7 (11.11 %) P = 0.537

2 (4.76 %) P = 0.092

Not married

244 (46.04%)

21 (33.33%) P = 0.055

14 (33.33%) P = 0.111

IUD before pregnancy

4 (0.75 %)

0 P = 1.00a

0 P = 1.00a

Infertility

27 (5.09 %)

2 (3.17 %) P = 0.758a

3 (7.14 %) P = 0.476a

Smoking (> 5 cigarettes/day)

49 (9.23 %)

2 (3.17 %) P = 0.105

1 (2.38 %) P = 0.162a

Alcohol consumption

17 (3.20 %)

0 P = 0.240a

1 (2.38 %) P = 1.00a

Maternal diabetes

7 (1.32 %)

1 (1.59 %) P = 0.594a

0 P = 1.00a

Chronic illness

25 (4.71 %)

3 (4.76 %) P = 1.00a

1 (2.38 %) P = 0.712a

  1. a Fisher's exact test