Table 1.
ORs for risk factors for the development of PE in the maternal history.
| Characteristic | N (%) | OR | CI 95% | P | |
|---|---|---|---|---|---|
| Age | >34 | 17 (1.5) | 1.33 | (0.77–2.30) | .322 |
| Nulliparus | 46 (1.9) | 2.52 | (1.53–4.14) | <.001 | |
| Race other than white | 13 (1.6) | 1.32 | (0.72–2.41) | .386 | |
| BMI | ≥30 | 17 (2.4) | 2.39 | (1.37–4.15) | .002 |
| Smoker | Yes | 7 (0.5) | 0.33 | (0.15–0.72) | .001 |
| Chronic hypertension | Yes | 10 (10.9) | 9.22 | (4.60–18.5) | <.001 |
| Diabetes I/II | Yes | 4 (4.5) | 4.5 | (1.38–10.8) | <.031 |
| Previous PE | Yes | 9 (11.1) | 11.22 | (5.38–23.4) | <.001 |
| Previous IUGR | Yes | 3 (4.5) | 3.91 | (1.2–12.7) | .024 |
| Previous abruption | Yes | 1 (4.2) | 3.5 | (1.4 + 10.9) | .306 |
| Previous stillbirth | Yes | 4 (3.6) | 3.06 | (1.1–8.55) | .032 |