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  • Title: Are 5-level triage systems improved by using a symptom based approach?-a Danish cohort study.
    Author: Kongensgaard FT, Fløjstrup M, Lassen A, Dahlin J, Brabrand M.
    Journal: Scand J Trauma Resusc Emerg Med; 2022 Apr 25; 30(1):31. PubMed ID: 35468799.
    Abstract:
    BACKGROUND: Five-level triage systems are being utilized in Danish emergency departments with and without the use of presenting symptoms. The aim of this study was to validate and compare two 5-level triage systems used in Danish emergency departments: "Danish Emergency Process Triage" (DEPT) based on a combination of vital signs and presenting symptoms and a locally adapted version of DEPT (VITAL-TRIAGE) using vital signs only. METHODS: This was a retrospective cohort using data from five Danish emergency departments. All patients attending an emergency department during the period of 1 April 2012 until 31 December 2015 were included. Validity of the two triage systems was assessed by comparing urgency categories determined by each triage system with critical outcomes: admission to Intensive care unit (ICU) within 24 h, 2-day mortality, diagnosis of critical illness, surgery within 48 h, discharge within 4 h and length of hospital stay. RESULTS: We included 632,196 ED contacts. Sensitivity for 24-h ICU admission was 0.79 (95% confidence interval 0.78-0.80) for DEPT and 0.44 (0.41-0.47) for VITAL-TRIAGE. The sensitivity for 2-day mortality was 0.69 (0.67-0.70) for DEPT and 0.37 (0.34-0.41) for VITAL-TRIAGE. The sensitivity to detect diagnoses of critical illness was 0.48 (0.47-0.50) for DEPT and 0.09 (0.08-0.10) for VITAL-TRIAGE. The sensitivity for predicting surgery within 48 h was 0.30 (0.30-0.31) in DEPT and 0.04 (0.04-0.04) in VITAL-TRIAGE. Length of stay was longer in VITAL-TRIAGE than DEPT. The sensitivity of DEPT to predict patients discharged within 4 h was 0.91 (0.91-0.92) while VITAL-TRIAGE was higher at 0.99 (0.99-0.99). The odds ratio for 24-h ICU admission and 2-day mortality was increased in high-urgency categories of both triage systems compared to low-urgency categories. CONCLUSIONS: High urgency categories in both triage systems are correlated with adverse outcomes. The inclusion of presenting symptoms in a modern 5-level triage system led to significantly higher sensitivity measures for the ability to predict outcomes related to patient urgency. DEPT achieves equal prognostic performance as other widespread 5-level triage systems.
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