Table.
Maternal characteristics and pregnancy outcomes
| Characteristic | COVID-19 positive (n=83) | COVID-19 negative (n=166) | P value |
|---|---|---|---|
| Maternal age, y | 26 (23–31) | 28 (23–32) | .39 |
| Gestational age, wk | 39 (37–39) | 39 (37–39) | .90 |
| Black maternal race | 88 (53.0) | 44 (53.0) | matched |
| Body mass index at delivery, kg/m2 | 32.5±7.6 | 31.0±7.2 | .13 |
| Nulliparity | 31 (37) | 63 (38) | matched |
| Chronic hypertension | 10 (12.1) | 19 (11.5) | 1.0 |
| Pregestational diabetes | 4 (4.8) | 2 (1.2) | .10 |
| Gestational diabetes | 2 (2.4) | 14 (8.4) | .10 |
| History of hypertensive disorder of pregnancy | 14 (16.7) | 19 (11.5) | .23 |
| Tobacco use | 6 (7.2) | 23 (13.9) | .12 |
| Current substance abuse | 7 (8.4) | 29 (17.5) | .06 |
| COVID-19 severity | — | ||
| Asymptomatic | 48 (57.8) | — | |
| Moderate | 27 (32.5) | — | |
| Severe | 7 (8.4) | — | |
| Mode of delivery | .37 | ||
| Vaginal delivery | 57 (68.7) | 123 (74.0) | |
| Cesarean delivery | 26 (31.3) | 43 (26.0) | |
| Birthweight, g | 3090 (2750–3740) | 3065 (2750–3520) | .92 |
| Small for gestational age | 6 (7.2) | 19 (11.5) | .30 |
| Placental abruption | 2 (2.4) | 1 (0.6) | .26 |
| Hypertensive disorder of pregnancy | .74 | ||
| None | 59 (71.1) | 120 (72.3) | |
| Gestational hypertension | 10 (12.1) | 24 (14.5) | |
| Preeclampsia without severe features | 3 (3.6) | 7 (4.2) | |
| Preeclampsia with severe features | 11 (13.3) | 15 (9.4) | |
| Any hypertensive disorder of pregnancy | 24 (28.9) | 46 (27.7) | .84 |
Values are expressed as median (IQR) or number (percentage) or mean±standard deviation.
COVID-19, coronavirus disease 2019; IQR, interquartile range.
Rosenbloom. COVID-19 infection and HDP. Am J Obstet Gynecol 2021.