TABLE 3.
Multivariable regression analysis of pregnancy outcomes with women without disease as the reference group
| Variable | Chronic HTN | DM | Both | |||
|---|---|---|---|---|---|---|
| aORa | 95% CI | aORa | 95% CI | aORa | 95% CI | |
| IUFD | 2.5 | 1.7–3.7 | 3.2 | 2.1–5.0 | 7.1 | 3.1–16.2 |
| Preeclampsia | 13.5 | 12.6–14.4 | 3.4 | 3.1–3.9 | 12.5 | 10.0–15.5 |
| <34 wks | 12.1 | 9.9–14.8 | 1.6 | 1.1–2.4 | 8.9 | 5.1–15.6 |
| 34–36 wks | 12.0 | 10.3–13.9 | 2.9 | 2.3–3.6 | 8.8 | 5.7–13.7 |
| >36 wks | 10.6 | 9.7–11.6 | 3.3 | 2.8–3.8 | 8.7 | 6.4–11.9 |
| SGA | 2.1 | 2.0–2.3 | 1.0 | 1.0–1.2 | 2.2 | 1.6–3.0 |
| LGA | 0.9 | 0.8–1.1 | 3.4 | 3.0–3.8 | 1.8 | 1.2–2.7 |
| Shoulder dystocia | 0.8 | 0.6–1.1 | 2.1 | 1.7–2.7 | 0.4 | 0.1–1.6 |
| Delivery at 32 weeks | 5.8 | 5.1–6.6 | 2.4 | 1.9–3.0 | 7.6 | 5.1–11.2 |
| Preterm birth | 3.2 | 3.0–3.4 | 2.2 | 2.1–2.4 | 4.9 | 4.0–6.0 |
| Placental abruption | 2.2 | 1.8–2.7 | 1.5 | 1.2–2.1 | 2.2 | 1.1–4.4 |
aOR, adjusted odds ratio; Both, patients with both chronic hypertension and pregestational diabetes; CI, confidence interval; DM, pregestational diabetes; HTN, hypertension; IUFD, intrauterine fetal demise; LGA, large for gestational age10; SGA, small for gestational age.9
a
Multivariable logistic regression analysis adjusting for maternal age, race/ethnicity, insurance type at delivery, education level, parity, number of prenatal visits, obesity, and renal disease.
Yanit. Impact of chronic hypertension and pregestational diabetes on pregnancy outcomes. Am J Obstet Gynecol 2012.