Table 1.
Demographics characteristics of patients with subarachnoid hemorrhage versus nonsubarachnoid hemorrhage-intracranial hemorrhage
| SAH | Non-SAH | P | |
|---|---|---|---|
| Number of patients | 225 | 826 | |
| Average age (years) | 64.2 | 61.3 | NS |
| Percentage male | 52.4 | 51.8 | NS |
| Percentage blunt injury | 99.6 | 98.7 | NS |
| ISS | 8.51 | 17.6 | <0.05 |
| Comorbidities (%) | |||
| 0 | 16.6 | 16.7 | NS |
| 1 | 22.0 | 33.3 | NS |
| 2 | 26.5 | 16.7 | NS |
| ≥3+ | 34.5 | 33.3 | NS |
| Percentage TRISS | 0.973 | 0.957 | NS |
| Average AIS head | 2.19 | 4.12 | <0.05 |
| Average AIS thorax | 1.00 | 1.15 | NS |
| Average AIS abdomen | 0.59 | 0.35 | NS |
| Average AIS spine | 0.65 | 0.28 | NS |
| Average AIS UE | 0.59 | 0.63 | NS |
| Average AIS LE | 0.78 | 0.62 | NS |
AIS: Abbreviated injury score, TRISS: Trauma and injury severity score, ISS: Injury severity score, NS: Not significant, SAH: Subarachnoid hemorrhage, UE: Upper extremity, LE: Lower extremity