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HRV/HRC model
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T-RTS
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MEWS
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M-GAP
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GAP
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GCS
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Heart rate
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GCS + heart rate
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|---|
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Cut-off
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0.18
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12
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2
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27
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22
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15
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84.5
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0.18
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AUC (95% CI)
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0.75 (0.66–0.83)
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0.62 (0.53–0.71)
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0.69 (0.60–0.78)
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0.64 (0.55–0.73)
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0.61 (0.52–0.70)
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0.39 (0.29–0.48)
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0.61 (0.52–0.71)
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0.65 (0.56–0.75)
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Sensitivity %, (95% CI)
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79.6% (68.3–90.9)
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28.6% (15.9–41.2)
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26.5% (14.2–38.9)
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55.1% (41.2–69.0)
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38.8% (25.1–52.4)
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65.3% (58.9–78.2)
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63.3% (48.3–76.6)
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57.1% (42.2–71.2)
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Specificity %, (95% CI)
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63.1% (55.9–70.2)
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94.3% (90.9–97.7)
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96.6% (93.9–99.3)
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61.4% (54.2–68.6)
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68.2% (61.3–75.1)
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14.9% (11.3–21.9)
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51.0% (42.9–58.2)
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61.0% (52.6–67.5)
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PPV %, (95% CI)
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37.5% (28.2–46.8)
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58.3% (38.6–78.1)
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68.4% (47.5–89.3)
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28.4% (19.4–37.5)
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25.3% (15.5–35.2)
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38.6% (27.3–51.4)
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26.3% (21.5–31.6)
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28.6% (22.8–35.1)
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NPV %, (95% CI)
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91.7% (86.8–96.6)
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82.6% (77.3–87.8)
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82.5% (77.3–87.7)
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83.1% (76.6–89.5)
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80.0% (73.6–86.4)
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82.3% (79.0–85.2)
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83.2% (76.9–88.0)
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83.5% (78.1–87.7)
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- HRV heart rate variability, HRC heart rate complexity, T-RTS Triage Revised Trauma Score, MEWS Modified Early Warning System, M-GAP Mechanism of injury, Glasgow Coma Scale, Age and Arterial blood pressure, GAP Glasgow coma scale, Age and Systolic blood pressure, AUC area under the curve, CI confidence interval, PPV positive predictive value, NPV negative predictive value, GCS Glasgow Coma Scale
