Table 1.
Demographics and patient characteristics.
| Case (n = 21) | Control (n = 23) | P value | |
|---|---|---|---|
| Maternal age – mean ± SD (years) | 29.7 ± 8.2 | 26.4 ± 5.1 | 0.12 |
| Race – n (%) | |||
| African American | 19 (90.5) | 20 (87.0) | 0.71 |
| White | 2 (9.5) | 3 (13.0) | |
| Body Mass Index - mean ± SD (kg/m2) | 31.2 ± 7.5 | 25.6 ± 6.2 | 0.01 |
| Gestational age at blood draw* - mean ± SD (weeks) | 31.3 ± 4.4 | 33.2 ± 4.0 | 0.63 |
| Parity – median [IQR] | 0 [0–1] | 1 [0–1] | 0.46 |
| Tobacco use – n (%) | 0 (0) | 2 (8.7) | 0.43 |
| Chronic HTN – n (%) | 12 (57.1) | 1 (4.3) | 0.02 |
| Postnatal outcomes^ | |||
| Gestational age at delivery – median [IQR] (weeks) | 32 [29–36] | 39 [38–40] | P < 0.001 |
| Birth weight (g) - mean ± SD | 1720 ± 993 | 3343 ± 641 | P < 0.001 |
*Equates to the gestational age of onset of preeclampsia for the cases.
^By definition, all cases were delivered preterm.