Outcomes in patients with TBI and patients without TBI
| Total (N=163) | TBI (n=41) | Non-TBI (n=122) | OR or mean difference (95% CI) | P value | |
| VTE outcomes | |||||
| VTE, n (%) | 20 (12.3) | 9 (22.0) | 11 (9.0) | 2.8 (1.1 to 7.5) | 0.03 |
| Proximal DVT | 14 (8.6) | 7 (17.1) | 7 (5.7) | 3.4 (1.1 to 10.3) | <0.05 |
| Distal DVT | 16 (9.8) | 7 (17.1) | 9 (7.4) | 2.6 (0.9 to 7.5) | 0.12 |
| PE | 0 | 0 | 0 | 0 | >0.99 |
| Days to first VTE diagnosis (from admission), median d | 15 (8.5–18) | 16 (13.5–20) | 7 (4–17) | 5.2 (−0.4 to 10.9) | 0.09 |
| Blood transfusions | |||||
| Required blood while on enoxaparin, n (%) | 20 (12.3) | 4 (9.8) | 16 (13.1) | 0.7 (0.2 to 2.3) | 0.57 |
| Overall outcomes | |||||
| ICU LOS, median d | 4 (1–12) | 14 (4–20.5) | 3 (1–7) | 8.8 (5.2 to 12.5) | <0.01 |
| Hospital LOS, median d | 14 (7–23) | 21 (14–34) | 12 (6–20) | 12.3 (4.0 to 20.5) | <0.01 |
| Mortality, n (%) | 5 (3.1) | 2 (4.9) | 3 (2.5) | 2.0 (0.3 to 12.6) | 0.60 |
DVT, deep vein thrombosis; ICU, intensive care unit; LOS, length of stay; PE, pulmonary embolism; TBI, traumatic brain injury; VTE, venous thromboembolism.