Table 1.
Baseline patient characteristics and radiographic findings of all patients.
| Screened (n = 85) | Unscreened (n = 39) | P value | |
|---|---|---|---|
| Demographics | |||
| Age (years, SD) | 81.2 (12.9) | 75.1 (16.9) | 0.05 |
| Age ≥ 65 y (%) | 77 (90.6) | 30 (76.9) | 0.07 |
| Sex (Male, %) | 33 (38.8) | 21 (53.8) | 0.12 |
| Aspirin (%) | 39 (45.9) | 17 (43.4) | 0.81 |
| Plavix (%) | 8 (9.4) | 9 (23.1) | 0.07 |
| Coumadin (%) | 15 (17.6) | 9 (23.1) | 0.49 |
| Other anticoagulant (%) | 5 (5.9) | 1 (2.7) | 0.36 |
| Mechanism of injury | |||
| Fall | 77 (90.6) | 30 (76.9) | 0.07 |
| MVA | 1 (1.2) | 2 (5.1) | 0.23 |
| Assault | 0 (0.0) | 1 (2.6) | 0.32 |
| Unknown | 7 (8.2) | 6 (15.4) | 0.34 |
| GCS upon presentation | |||
| GCS 15 | 80 (94.1) | 32 (82.1) | 0.07 |
| GCS 14 | 5 (5.9) | 7 (17.9) | 0.07 |
| Pattern of bleed | |||
| Subdural | 48 (56.5) | 29 (74.4) | 0.04* |
| Subarachnoid | 25 (29.4) | 5 (12.8) | 0.02* |
| Intraparenchymal | 3 (3.5) | 0 (0.0) | 0.55 |
| Intraventricular | 0 (0.0) | 2 (5.1) | 0.10 |
| Multicompartmental | 2 (2.3) | 3 (7.7) | 0.24 |
| MLS | |||
| Present (any size) | 9 (10.9) | 11 (28.2) | 0.03* |
| ≥5 mm | 3 (3.5) | 4 (10.3) | 0.21 |
| Intervention | |||
| Surgery | 1 (1.2) | 7 (17.9) | 0.001* |
| No surgery | 84 (98.8) | 32 (82.1) | 0.01* |
| LOS (days, SD) | 2.6 (3.3) | 2.7 (1.9) | 0.85 |
*
Denotes statistically significant difference. SD = standard deviation, MVA = motor vehicle accident, MLS = midline shift, GCS = Glasgow Coma Scale, LOS = length of stay.