Table 1.
Maternal demographics by group
| Demographics | Pregnant cases (n=38) |
Nonpregnant controls (n=94) |
P value | ||||
|---|---|---|---|---|---|---|---|
| n | Mean±SD | Range | n | Mean±SD | Range | ||
| Maternal age (y) | 38 | 34.7±4.3 | 25–42 | 94 | 37.9±6.7 | 23–50 | <.01 |
| BMI at admission (kg/m2) | 38 | 31.7±5.2 | 20.2–41 | 94 | 33.4±6.6 | 22–55 | .15 |
| n/N (%) | n/N (%) | ||
|---|---|---|---|
| Race or ethnicity | .16 | ||
| Non-Hispanic white | 9/38 (23.7) | 9/94 (9.6) | |
| Non-Hispanic black | 7/38 (18.4) | 13/94 (13.8) | |
| Hispanic or Latina | 15/38 (39.5) | 35/94 (37.2) | |
| Asian | 3/38 (7.9) | 8/94 (8.5) | |
| American Indian or Alaska Native | 0/38 (0.0) | 1/94 (1.1) | |
| Other | 2/38 (5.3) | 11/94 (11.7) | |
| Unknown or not recorded | 2/38 (5.3) | 17/94 (18.1) | |
| Insurance type | .41 | ||
| Private or commercial | 16/38 (42.1) | 36/94 (38.3) | |
| Medicaid or managed Medicaid |
20/38 (52.6) | 55/94 (58.5) | |
| Medicare | 0/38 (0.0) | 2/94 (2.1) | |
| Uninsured or self-pay | 2/38 (5.3) | 1/94 (1.1) | |
| Tobacco use | .23 | ||
| Current smoker | 0/38 (0.0) | 0/94 (0.0) | |
| Former smoker | 1/38 (2.6) | 10/94 (10.6) | |
| Never smoker | 35/38 (92.1) | 75/94 (79.8) | |
| Not recorded | 2/38 (5.3) | 9/94 (9.6) | |
| Disease severity at admission | .23 | ||
| Severe | 29/38 (76.3) | 80/94 (85.1) | |
| Critical | 9/38 (23.7) | 14/94 (14.9) | |
| Preexisting conditionsa | |||
| Preexisting pulmonary disease | 4/38 (10.5) | 21/94 (22.3) | .12 |
| Preexisting cardiac disease | 4/38 (10.5) | 27/94 (28.7) | .03 |
| Preexisting diabetes | 4/38 (10.5) | 26/94 (27.7) | .03 |
BMI, body mass index; SD, standard deviation.
DeBolt et al. Severe and critical COVID-19 in pregnant vs nonpregnant controls. Am J Obstet Gynecol 2021.
a
Pulmonary disease is defined as asthma, obstructive sleep apnea, chronic obstructive pulmonary disease, and chronic bronchitis. Cardiac disease is defined as hypertension, coronary artery disease, hyperlipidemia, valvular disease, and congenital heart disease. Diabetes is defined as type 1 and type 2 diabetes mellitus.