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Mortality rate per level of systolic blood pressure (SBP) on hospital arrival, only patients with traumatic brain injury, i.e. group 1 and 2
| SBP on hospital arrival | Died in hospital, n (%) |
|---|---|
| < 90 mmHg, n (%) | 6 (25%) |
| 90–99 mmHg, n (%) | 3 (30%) |
| 100–109 mmHg, n (%) | 1 (13%) |
| 110–119 mmHg, n (%) | 4 (25%) |
| ≥ 120 mmHg, n (%) | 5 (7%) |
(p = 0.072, Pearson’s chi-squared test)
