Table 3.
Disease severity
| Historical cohort N = 7908 (%) |
Pandemic cohort N = 6771 (%) |
p-value | |
|---|---|---|---|
| Temperature | 0.002 | ||
| < 96.8 | 0.4 | 0.2 | |
| 96.8–100.3 | 96.1 | 94.0 | |
| > 100.3 | 2.7 | 3.6 | |
| WBC | 0.04 | ||
| Not obtained | 3.1 | 3.1 | |
| < 3.6 | 1.3 | 1.9 | |
| 3.6–10.4 | 41.4 | 39.9 | |
| > 10.4 | 54.1 | 55.2 | |
| SBP | 0.57 | ||
| < 90 | 1.2 | 14 | |
| 90–130 | 48.5 | 47.7 | |
| > 130 | 50.3 | 50.9 | |
| HR | 0.14 | ||
| < 60 | 4.2 | 3.7 | |
| 60–99.9 | 69.9 | 69.3 | |
| 100–140 | 25.1 | 26.0 | |
| > 140 | 0.8 | 1.0 | |
| Lactate | < 0.01 | ||
| Not obtained | 62.1 | 43.6 | |
| ≤ 2.2 | 32.4 | 47.6 | |
| > 2.2 | 5.6 | 8.8 | |
| Monitored shock index | 0.26 | ||
| Not available | 76.5 | 75.2 | |
| Low (< 0.5) | 3.7 | 4.2 | |
| Normal (0.5–0.8) | 13.3 | 13.5 | |
| Elevated (0.8–1.0) | 3.9 | 4.3 | |
| Critically high (> 1.0) | 2.7 | 2.8 | |
| Intensive care unit | 5.9 | 5.8 | 0.84 |
| Ventilator requirement | 2.0 | 2.1 | 0.59 |
| AAST grade based on ICD diagnosis* | 0.93 | ||
| Grade 1 | 69.3 | 69.3 | |
| Grade 2 | 8.1 | 8.4 | |
| Grade 3 | 9.3 | 8.9 | |
| Grade 4 | 2.1 | 2.1 | |
| Grade 5 | 0.5 | 0.6 | |
| Unable to assign | 10.6 | 10.6 | |
| AAST complexity (based on Scott) | 0.63 | ||
| Low | 83.3 | 83.6 | |
| High | 16.7 | 16.4 |
WBC white blood cell, SBP systolic blood pressure, DBP diastolic blood pressure, HR heart rate, AAST American Association for the Surgery of Trauma
*If ICD Diagnosis code spanned multiple Grades, patients were assigned to lowest possible grade