Table 4 Overview over the study results for all participants
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 |