Table 3. Baseline demographic, injury characteristics, and clinical outcomes of patients who developed clot complications compared to those who did not.
Values presented as median (25–75 interquartile range) and n (percent) as appropriate.
| No clot complication (n=83) | Clot complication (n=12) | p value | |
|---|---|---|---|
| Demographics | |||
| Age (years) | 40.0 (26.0–55.0) | 44.5 (24.8–63.8) | 0.55 |
| Male sex, n (%) | 62 (75%) | 8 (67%) | 0.55 |
| Injury | |||
| Mechanism: MVC, n (%) | 26 (32%) | 7 (58%) | 0.60 |
| Mechanism: MCC, n (%) | 12 (14%) | 2 (17%) | |
| Mechanism: fall, n (%) | 20 (24%) | 2 (17%) | |
| Mechanism: auto-ped, n (%) | 13 (16%) | 1 (8%) | |
| Mechanism: bicycle crash, n (%) | 5 (6%) | 0 (0%) | |
| Mechanism: sports injury, n (%) | 5 (6%) | 0 (0%) | |
| Mechanism: Other, n (%) | 2 (2%) | 0 (0%) | |
| Injury Severity Score | 27 (20–34) | 26 (17–38) | 0.10 |
| Glasgow Coma Scale | 10 (6–15) | 8 (6–14) | 0.67 |
| Traumatic brain injury, n (%) | 39 (47%) | 4 (33%) | 0.37 |
| Time from injury to arrival (min) | 69 (26–205) | 92 (42–201) | 0.34 |
| Initial Physiologic Measurements | |||
| Systolic blood pressure (mm Hg) | 122 (107–142) | 111 (99–133) | 0.25 |
| Base deficit (meq/L) | 6.0 (3.0–10.0) | 9.4 (5.3–11.2) | 0.17 |
| Lactate (mmol/L) | 3.5 (1.7–5.5) | 4.6 (3.5–6.3) | 0.11 |
| Initial Hematology | |||
| Hemoglobin (g/dL) | 12.2 (10.3–14.6) | 11.4 (8.0–17.6) | 0.59 |
| Platelets (10^9/L) | 210 (158–244) | 176 (139–205) | 0.11 |
| Outcomes | |||
| VTE chemoprophylaxis, n (%) | 52 (63%) | 10 (83%) | 0.16 |
| Time to VTE chemoprophylaxis (hours) | 39.9 (25.4–60.6) | 52.3 (45.7–146.4) | 0.02 |
| ICU LOS (days) | 7 (3–13) | 11 (3–19) | 0.36 |
| Hospital LOS (days) | 16 (8–24) | 20 (11–46) | 0.20 |
| Mortality, n (%) | 4 (5%) | 0 (0%) | 0.44 |
MVC=motor vehicle collision, MCC=motorcycle collision, RBCs=red blood cells, FFP=fresh frozen plasma, VTE= venous thromboembolism, ICU=intensive care unit, LOS=length of stay