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Table 4 Overview over the study results for all participants

From: Primary mass casualty incident triage: evidence for the benefit of yearly brief re-training from a simulation study

Part A: Level of triage procedures All (N1 = 990) Statistical comparisons Test
  Initial assessment (N1 = 490) 2nd assessment (N1 = 280) 3rd assessment (after re-training) (N1 = 220) 2nd vs. Initial 3rd vs. Initial 3rd vs. 2nd  
 Time since initial training (months) 0 14.6 (14.0–15.3) 25.1 (22.9–27.3)     
 Accuracy (triage category correct) 84% (80–87) 77% (69–85) 86% (82–91) 0.159 1.000 0.069 A
 Sensitivity 86% (82–91) 77% (69–85) 92% (86–98) 0.058 0.707 0.012 A
 Specificity 91% (87–94) 85% (79–90) 89% (84–94) 0.182 1.000 0.767 A
 Under-triage 10% (8–13) 19% (12–27) 5% (2–8) 0.012 0.360 0.000 A
 Critical under-triage 6% (4–8) 13% (6–20) 3% (1–5) 0.026 1.000 0.007 A
 Over-triage 6% (4–8) 13% (6–20) 9% (5–13) 0.049 1.000 0.726 A
 Critical over-triage 4% (3–6) 12% (5–19) 7% (4–11) 0.022 0.982 0.535 A
 Airway handling accurate 91% (88–93) 81% (76–86) 97% (95–99) 0.000 0.025 0.000 A
 Bleeding management accurate 93% (91–96) 84% (80–89) 94% (90–97) 0.000 1.000 0.001 A
 Time requirement (sec) 35.4 (33.9–37.0) 36.9 (34.2–39.6) 28.2 (25.8–30.6) 0.917 0.000 0.000 A
 Time requirement (sec) weighed 25.0 (23.4–26.6) 27.4 (24.7–30.1) 22.2 (19.9–24.6) 0.305 0.228 0.009 A
Part B: Level of providers All Statistical comparisons Test
  Initial assessment (N2 = 33) 2nd assessment (N2 = 22) 3rd assessment (after re-training) (N2 = 19) 2nd vs. Initial 3rd vs. Initial 3rd vs. 2nd  
 Performance measure 95 (94–96) 91 (88–93) 96 (95–98) 0.000 0.336 0.003 T
 Pass rate (≥ 90% performance) 91% (82–100) 50% (27–73) 89% (74–100) 0.002 0.655 0.014 W
  1. Values are means and 95% confidence intervals. N1 number of triage procedures analyzed, N2 number of triage providers analyzed. Statistical testing: A ANOVA, T paired T-Test, W Wilcoxon Test. Bold text indicates statistically significant changes. indicates decline; indicates improvement