Supplemental Table 2.
Laboratory results and imaging findings
| Variable | Patients (n=13) | Reference rangesa |
|---|---|---|
| On admissionb | ||
| White blood cell count, ×109/L | 7.9 (5.6–9.9) | 3.8–10.5 |
| >10 | 3 (23) | — |
| Lymphocyte count, ×109/L | 0.8 (0.6–1.0) | 1.0–3.3 |
| Platelet count, ×103/μL | 204 (166–246) | 150–420 |
| <150 | 2 (15) | — |
| Aspartate aminotransferase, U/L | 81 (49–98) | 10–40 |
| >40 | 10 (77) | — |
| Alanine aminotransferase, U/L | 44 (21–67) | 10–45 |
| >40 | 8 (62) | — |
| Venous lactate, mmol/L | 1.0 (0.8–1.4) | 0.7–2.0 |
| >1.5 | 3 (23) | — |
| Serum creatinine, mg/dL | 0.6 (0.5–0.7) | 0.5–1.30 |
| >1.1 | 2 (15) | — |
| Ferritin, ng/mL | 112 (95–246) | 15–400 |
| D-dimer, ng/mL | 613 (383–1169) | 0–229 |
| >1000 | 4 (31) | — |
| C-reactive protein, mg/dL | 20.1 (11.3–33.1) | 0.0–0.40 |
| Procalcitonin, ng/mL | 0.8 (0.3–1.5) | 0.02–0.10 |
| Creatine kinase, U/Lc | 33 (33–128) | 25–200 |
| Troponin above test-specific upper limit of normal | 3/10 (30) | — |
| Chest radiography | ||
| Bilateral infiltrates | 11 (85) | — |
| Pleural effusion | 0 (0) | — |
| During ICU stay | ||
| Highest serum creatinine, mg/dL | 0.7 (0.6–1.1) | — |
| >2.5 | 2 (15) | — |
| Lowest platelet count, ×103/μL | 152 (127–235) | — |
| <100 | 3 (23) | — |
| Highest aspartate aminotransferase, U/L | 103 (81–141) | — |
| Highest alanine aminotransferase, U/L | 97 (77–215) | — |
| Aminotransferase, >1000 U/L | 3 (23) | — |
| Highest D-dimer, ng/mL | ||
| >3000 | 5 (38) | — |
Data are presented as n (%), mean±standard deviation, and median (interquartile range).
ICU, intensive care unit.
Blitz. Maternal mortality among intensive care unit admissions for coronavirus disease 2019. Am J Obstet Gynecol 2020.
a
Reference range established for nonpregnant patients; many of these laboratory tests change by trimester
b
Defined as first test results available, typically within the first 24 hours of presentation
c
Data available for 9 patients.