Table 1 Clinical characteristics of the study groups
| Ā | At-risk women without PE | At-risk women with PE | p-value |
|---|---|---|---|
n | 119 | 32 | Ā |
Maternal Characteristics | |||
āGestational age at sample collection (wk) | 29 (8.5) | 30 (7.3) | 0.14 |
āMaternal age (yr) | 33 (7.5) | 33 (6.5) | 0.74 |
āMaternal weight pre-pregnancy (kg) | 68 (23.8) | 65.5 (16.5.) | 0.7 |
āMaternal weight at sample collection (kg) | 78 (22.8) | 80 (15.5) | 0.71 |
āMaternal BMI (kg/m2) | 24.16 (7.8) | 25.67 (5.5) | 0.96 |
āSystolic BP (mmHg) | 124 (19) | 160 (39) | <ā0.001 |
āDays before delivery | 54 (72) | 4 (10.8) | <ā0.001 |
āEthnicity: Caucasian | 100 (84%) | 23 (72%) | 0.08 |
āNulliparity | 64 (54%) | 20 (63%) | 0.5 |
Co-morbidities | |||
āPre-existing chronic renal disease | 7 (6%) | 3 (9%) | 0.69 |
āPre-existing diabetes | 4 (3%) | 0 (0%) | 0.67 |
āPre-existing hypertension | 21 (18%) | 9 (28%) | 0.5 |
āGestational diabetes | 28 (24%) | 3 (9%) | 0.13 |
āGestational hypertension | 15 (13%) | 6 (19%) | 0.03 |
Delivery Outcomes | |||
āGestational age at delivery (wk) | 38.71 (2.9) | 30.64 (8) | <ā0.001 |
āBirth weight (g) | 2980 (12.1) | 1270 (1387.5) | <ā0.001 |
āApgar score 5āmin | 9 (2) | 8 (2) | <ā0.001 |
āMode of delivery: C-section | 72 (61%) | 26 (81%) | 0.14 |
āPreterm <ā34āweeks | 33 (28%) | 28 (88%) | <ā0.001 |
āSmall for Gestational Age (SGA) | 10 (8%) | 1 (3%) | 0.31 |
āIntrauterine growth restriction (IUGR) | 27 (23%) | 15 (47%) | 0.01 |