Abstract
Background: Triage is pivotal in intensive care for patient safety and resource allocation. The admission algorithm has been shown to correlate with the appropriateness of ICU admission and offer decision aid when facing challenges in times of scarce critical care resources. This study aimed to explore the development of a reference tool to support triage decisions for admission to the ICU.
Methods: In this retrospective observational study, the Intensive Care Triage Score (ICTS) was generated as a reference to correlate with the triage decision made by clinical judgment. ICU admission would be advised for ICTS below 6. The primary outcome was ICU admission. The secondary outcomes included ICU, hospital, 90-day, and 1-year mortality. The receiver operating characteristic curve was used to assess the performance of ICTS.
Results: A total of 1664 patients were included in the analysis. There were 1204 patients (72.4%) admitted to the ICU; 680 of 738 (92%) with ICTS below 6 were admitted to the ICU. The hospital mortality of the whole cohort was 25.1%; there was a positive correlation between ICTS and hospital mortality. The area under the receiver operating characteristic curve (AUC) of ICTS in predicting hospital mortality for all patients was 0.754 (95% CI 0.728-0.780). The correlation between ICTS and hospital mortality was observed in patients admitted and not admitted to the ICU.
Conclusion: Developing a scoring system as a reference tool would be useful for ICU triage.
Lawrence Lau, Clement CC Leung, Harriet HY Kong, Emily WS Cheung, Michele MY Tang, Fu-loi Chow
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- Development of a scoring system as reference tool to support ICU triage and review
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