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 |