Research Article

Complement Split Products in Amniotic Fluid in Pregnancies Subsequently Developing Early-Onset Preeclampsia

Table 1

Comparison of maternal baseline characteristics between preeclampsia and normal pregnancy groups.

VariablePreeclampsia ()Control ()Significance

Mean maternal age, y36.1 (SD = 5.9)36.6 (SD = 4.4) = 0.74 (Mann-Whitney)
Parity = 0.79 ()
 Nulliparous5 (33.3%)14 (29.8%)
 Parous10 (66.7%)33 (70.2%)
Race = 0.49 (Pearson )
 Asian2 (13.3%)16 (34.0%)
 Hispanic3 (20.0%)7 (14.9%)
 Black3 (20.0%)8 (17.0%)
 White7 (46.7%)16 (34.1%)
Indication for amniocentesis = 0.19 (Fisher )
 AMA9 (60.0%)35 (74.5%)
 Abnormal screening4 (26.7%)4 (8.5%)
 Both AMA and abnormal screening2 (13.3%)8 (17.0%)

AMA, advanced maternal age (≥35 years old).