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Table 3 START and TTAS protocols for predicting disposition (ED discharge vs. observation/admission/death)

From: Comparison between simple triage and rapid treatment and Taiwan Triage and Acuity Scale for the emergency department triage of victims following an earthquake-related mass casualty incident: a retrospective cohort study

 

START

TTAS

Minor category

Delay/immediate/deceased category

Levels III–V

Levels I and II

ED discharge, n

70

15

77

8

Observation/admission/death, n

9

11

11

9

AUC, 95% CI

0.709 (0.612–0.793)

0.709 (0.612–0.794)

Sensitivity, 95% CI

82.35 (72.57–89.77)

90.59 (82.29–95.85)

Specificity, 95% CI

55.00 (31.53–76.94)

45.00 (23.06–68.47)

PPV, 95% CI

88.61 (82.59–92.73)

87.50 (82.40–91.28)

NPV, 95% CI

42.31 (28.56–57.36)

52.94 (33.17–71.83)

Accuracy, 95% CI

77.14 (67.93–84.77)

81.90 (73.19–88.74)

  1. START simple triage and rapid treatment, TTAS Taiwan Triage and Acuity Scale, ED emergency department, AUC area under the receiver operating characteristic curve, CI confidence interval, PPV positive predictive value, NPV negative predictive value