Table 3

Obstetric Outcomes

reference group

unaffected sisters of preeclamptic index patients

affected sisters of preeclamptic index patients

outcome

N = 530

N = 63

N = 42

Admission to a neonatal intensive care unit

34 (6.42 %)

3 (4.76 %) P = 0.786^a

9 (21.43 %) P = 0.002^a

Intrauterine fetal death

3 (0.57 %)

0 P = 1.00^a

0 P = 1.00^a

Prematurity (delivery before 37 weeks)

25 (4.72 %)

1 (1.59 %) P = 0.344^a

10 (23.80 %) P < 0.001

Low birth weight (<2500 g)

16 (3.02 %)

0 P = 0.398^a

12 (28.57 %) P < 0.001

Small for gestational age (< 10^th percentile)

61 (11.51 %)

8 (12.70 %) P = 0.781

9 (21.43 %) P = 0.059

Low Apgar score (<7 at 1 min)

31 (5.85 %)

4 (6.35 %) P = 0.780^a

5 (11.90 %) P = 0.173^a

Low Apgar score (<7 at 5 min)

7 (1.32 %)

0 P = 1.00^a

0 P = 1.00^a

Fetal venous pH <7.15 at birth

11 (2.1 %)

3 (4.76 %) P = 0.175^a

2 (4.76 %) P = 0.250^a

^a Fisher's exact test

Heiskanen et al. BMC Women's Health 2003 3:1   doi:10.1186/1472-6874-3-1