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Table 4 Undertriage calculation

From: Undertriage of major trauma patients at a university hospital: a retrospective cohort study

  Severely injured Not severely injured Total
Trauma team activation 85 284 369
No trauma team activation 10 30,065 30,075
Total 95 30,349 30,444
  1. Sensitivity: 85/95
  2. Undertriage: 1 – Sensitivity = 1–85/95 or 10/95 = 10.5%