Demographics of the confirmation cohort
| Characteristic | Non-PE (n=20) | PE (n=20) |
| Race, n (%) | ||
| White | 20 (100) | 9 (45) |
| Asian | 0 (0) | 5 (25) |
| African American | 0 (0) | 1 (5) |
| Other | 0 (0) | 5 (25) |
| Age, years | 31.9±4.8 | 31.8±6.0 |
| GA at delivery, weeks | 39.5±1.2 | 36.7±3.3 |
| Early-onset PE (diagnosed <34 weeks’ GA), n (%) | NA | 5 (25) |
| Diagnosed with severe PE, n (%) | NA | 10 (50) |
GA, gestational age; PE, pre-eclampsia.