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Table 2 The performance of the MBC triage system in the study

From: Introduction of a mass burn casualty triage system in a hospital during a powder explosion disaster: a retrospective cohort study

  ICU admission (%), 95%CI ET Intubation (%), 95%CI CVC (%), 95%CI Escharotomy (%), 95%CI
Triage category I
 Sensitivity 42.4 (27.2–59.2) 76.5 (52.7–90.4) 45.5 (26.9–65.3) 54.6 (34.7–73.1)
 Specificity 100.0 (79.6–100.0) 96.8 (83.8–99.4) 84.6 (66.5–93.3) 92.3 (75.9–97.9)
Triage category II
 Sensitivity 51.5 (35.2–67.5) 17.7 (6.2–41.0) 50.0 (30.7–69.3) 40.9 (23.3–61.3)
 Specificity 86.7 (62.1–96.3) 48.4 (32.0–65.2) 69.2 (50.0–83.5) 61.5 (42.5–77.6)
Triage category III
 Sensitivity 6.1 (1.7–19.6) 5.9 (1.1–27.0) 4.6 (8.0–21.8) 4.6 (8–21.8)
 Specificity 13.3 (3.7–37.9) 54.8 (37.8–70.8) 46.2 (28.8–64.5) 46.2 (28.8–64.5)
Triage category MBC*
 Sensitivity 93.9 (80.4–98.3) 94.1 (73.0–99.0) 95.5 (78.2–99.2) 95.5 (78.2–99.2)
 Specificity 86.7 (62.1–96.3) 45.2 (29.2–62.2) 53.9 (35.5–71.2) 53.9 (35.5–71.2)
  1. Abbreviations: MBC mass burn casualty, ICU intensive care unit, CI confidence interval, ET endotracheal tube, CVC central venous catheterization
  2. *Triage category MBC indicates the triage categories I and II vs III in predicting ICU admission and interventions