• Anja A Ebker-White, Kendall J Bein, and Michael M Dinh.
• Emergency Department, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia.
• Emerg Med Australas. 2018 Aug 1; 30 (4): 511-516.

ObjectiveThe present study aims to prospectively validate the Sydney Triage to Admission Risk Tool (START) to predict ED disposition.MethodsThis was a prospective validation study at two metropolitan EDs in Sydney, Australia. Consecutive triage encounters were observed by a trained researcher and START scores calculated. The primary outcome was patient disposition (discharge or inpatient admission) from the ED. Multivariable logistic regression was used to estimate area under curve of receiver operator characteristic (AUC ROC) for START scores as well as START score in combination with other variables such as frailty, general practitioner referral, overcrowding and major medical comorbidities.ResultsThere were 894 patients analysed during the study period. The START score when applied to the data had AUC ROC of 0.80 (95% CI 0.77-0.83). The inclusion of other clinical variables identified at triage did not improve the overall performance of the model with an AUC ROC of 0.81 (95% CI 0.78-0.84) in the present study.ConclusionThe overall performance of the START tool with respect to model discrimination and accuracy has been prospectively validated. Further clinical trials are required to test the clinical effectiveness of the tool in improving patient flow and overall ED performance.© 2018 Australasian College for Emergency Medicine and Australasian Society for Emergency Medicine.

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