Table 1. The Characteristics of Pregnancy-Associated ICU Admissions.
| Characteristic | n = 158,410 |
|---|---|
| Age (years, n (%))a, b | |
| < 18 | 7,481 (4.8) |
| 18 - 34 | 124,898 (80.4) |
| ≥ 35 | 22,994 (14.8) |
| Race/ethnicity, n (%) | |
| Hispanic | 53,491 (33.8) |
| White | 60,525 (38.2) |
| Black | 30,027 (19.0) |
| Other | 14,327 (9.0) |
| Missing | 40 (< 0.1) |
| Health insurance, n (%) | |
| Private | 73,075 (46.10) |
| Medicaid | 71,179 (45.0) |
| Uninsured | 10,465 (6.6) |
| Other | 3,619 (2.3) |
| Missing | 72 (< 0.1) |
| Select comorbidities, n (%)c | |
| Any | 15,334 (9.7) |
| Lung disease | 5,133 (3.2) |
| Connective tissue disease | 836 (0.5) |
| Liver disease | 735 (0.4) |
| Diabetes | 4,625 (2.9) |
| Renal disease | 628 (0.3) |
| Malignancy | 321 (0.2) |
| HIV | 120 (0.1) |
| Categories of pregnancy-associated hospitalizations, n (%) | |
| Delivery | 116,691 (73.7) |
| Antepartum | 31,751 (20.0) |
| Postpartum | 5,244 (3.3) |
| Fetal lossd | 3,009 (1.9) |
| Abortiond | 449 (0.3) |
| Organ dysfunction, n (%) | |
| Any | 9,769 (6.2) |
| ≥ 3 | 449 (0.3) |
| APR-DRG severity of illness, n (%) | |
| Mild | 59,951 (37.8) |
| Moderate | 56,373 (35.6) |
| High | 36,312 (22.9) |
| Extreme | 5,774 (3.6) |
| Hospital disposition, n (%) | |
| Death | 414 (0.3) |
| Hospice | 24 (< 0.1) |
| Another facility | 2,213 (1.4) |
| Home | 154,656 (97.6) |
| Leave against medical advice | 1,103 (0.7) |
aPercent figures are rounded. bAge groups were reported as < 17, 18 - 44, and ≥ 45 for 3,037 (1.9%) of ICU admissions with a diagnosis of human immunodeficiency virus infection, drug or alcohol abuse as additional means to preserve confidentiality in the data set. The denominator used to derive age group frequency for the cohort was based on hospitalizations with available 5-year age group designation (n = 155,373). cBased on comorbidities included in the Deyo-Charlson index. dThe figures for fetal loss and abortion do not include ICU 1,266 (0.8%) hospitalizations for which it could not be determined whether they involved fetal loss or abortion. HIV: human immunodeficiency virus.