Variable | Category | IRR | 95%CI | p value |
---|---|---|---|---|
Cause of trauma | RTA | 1 | ||
Assault | 0.76 | 0.37–1.64 | 0.508 | |
Fall | 0.85 | 0.24–3.06 | 0.803 | |
Others | 2.27 | 0.91–5.63 | 0.078 | |
Oxygen saturation | < 90% | 1 | ||
> 90% | 0.45 | 0.23–0.88 | 0.019 | |
Systolic BP | < 90 | 1 | ||
> 48 | 0.58 | 0.22–1.48 | 0.253 | |
GCS | Mild TBI | 1 | ||
Moderate TBI | 0.68 | 0.48–0.97 | < 0.034 | |
Severe TBI | 0.35 | 0.19–0.62 | < 0.001 | |
Diagnosis | ASDH | 1 | ||
AEDH | 0.32 | 0.18–0.58 | 0.001 |