Table 1:
Baseline Patient Characteristics by Transfusion Status
| All cases (n = 66) |
Transfusion (n = 23) |
No transfusion (n = 43) |
p-value | |
|---|---|---|---|---|
| Age (years) | 77.3 ± 10.9 | 76.0 ± 9.3 | 78.0 ± 11.6 | 0.48 |
| Sex (female) | 35 (53.0%) | 15 (65.2%) | 20 (46.5%) | 0.15 |
| INR | 1.1 ± 0.2 | 1.1 ± 0.1 | 1.1 ± 0.3 | 0.34 |
| Platelet count | 225.0 ± 79.5 | 246.7 ± 77.1 | 213.4 ± 79.2 | 0.11 |
| APM | ||||
| Aspirin | 59 (89.4%) | 21 (91.3%) | 38 (88.3%) | 1 |
| Clopidogrel | 23 (50%) | 11(47.8%) | 12 (27.9%) | <0.01 |
| Dual APM | 15 (22.7%) | 9 (39.1%) | 6 (14.0%) | 0.03 |
| Other | 3 (4.5%) | 1 (4.3%) | 2 (4.7%) | 1.0 |
| Type of TBI | ||||
| SDH | 23 (50.0%) | 3 (13.0%) | 20 (46.5%) | <0.01 |
| EDH | 3 (4.5%) | 1 (4.3%) | 3 (7.0%) | 1.00 |
| IVH/SAH | 30 (45.5%) | 9 (39.1%) | 21 (48.8%) | 0.61 |
| IPH | 46 (63.7%) | 15 (65.2%) | 31 (72.1%) | 0.58 |
| ISS | 19.5 ± 10.4 | 23.4 ± 9.4 | 17.4 ± 10.44 | 0.02 |
| AIS | ||||
| Head | 0.59 ± 1.01 | 0.61 ± 1.16 | 0.58 ± 0.93 | 0.88 |
| TBI | 3.7 ± 0.64 | 4.0 ± 0.37 | 3.5 ± 0.67 | <0.01 |
| CT Score | 2.2 ± 0.57 | 2.4 ± 0.72 | 2.1 ± 0.44 | 0.02 |
| Hospital LOS (days) | 5.0 ± 4.2 | 7.8 ± 4.8 | 3.5 ± 2.8 | <0.01 |
| ICU LOS (days) | 1.8 ± 2.3 | 3.9 ± 2.6 | 0.73 ± 1.1 | <0.01 |
| Craniectomy / -otomy | 6 (9.1%) | 6 (26.1%) | 0 (0%) | <0.01 |
| Mortality | 3 (4.5%) | 2 (8.7%) | 1 (2.3%) | 0.28 |
N (column %) or mean ± sd are shown, INR = international normalized ratio, APM = antiplatelet medication, TBI = traumatic brain injury, SDH = subdural hematoma, EDH = epidural hematoma, IVH = intraventricular hemorrhage, SAH = subarachnoid hemorrhage, IPH = intraparenchymal hemorrhage or cerebral contusion, ISS = injury severity score, AIS = abbreviated injury score, CT Score = Marshall score from computed tomography, LOS = length of stay, ICU = intensive care unit.