Fig. 1.
Observed survival rates in each Trauma and Injury Severity Score (TRISS) category: ≥0.95 (n = 103), ≥0.9 (n = 28), ≥0.7 (n = 40), ≥0.5 (n = 18), ≥0.25 (n = 27), and <0.25 (n = 48)
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