Determination of the best early warning scores to predict clinical outcomes of patients in the emergency department

Emergency Medicine Journal : EMJ
William SpencerDavid McDonald Taylor

Abstract

Early warning scores (EWS) are used to predict patient outcomes. We aimed to determine which of 13 EWS, based largely on emergency department (ED) vital sign data, best predict important clinical outcomes. We undertook a prospective cohort study in a metropolitan, tertiary-referral ED in Melbourne, Australia (February-April 2018). Patient demographics, vital signs and management data were collected while the patients were in the ED and EWS were calculated using each EWS criteria. Outcome data were extracted from the medical record (2-day, 7-day and 28-day inhospital mortality, clinical deterioration within 2 days, intensive care unit (ICU) admission within 2 days, admission to hospital). Area under the receiver operator characteristic (AUROC; 95% CIs) curves were used to evaluate the predictive ability of each EWS for each outcome. Of 1730 patients enrolled, 690 patients were admitted to the study hospital. Most EWS were good or excellent predictors of 2-day mortality. When considering the point estimates, the VitalPac EWS was the most strongly predictive (AUROC: 0.96; 95% CI: 0.92 to 0.99). However, when considering the 95% CIs, there was no significant difference between the highest performing EWS. The predictive ability for ...Continue Reading

Citations

Aug 22, 2020·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Francisco Martín-RodríguezRaúl López-Izquierdo
Apr 4, 2021·Journal of Personalized Medicine·Francisco Martín-RodríguezRaúl López-Izquierdo
May 24, 2021·Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine·Julie ConsidineRamon Z Shaban

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