• Chip-Jin Ng, Liang-Tien Chien, Chien-Hsiung Huang, Chung-Hsien Chaou, Shi-Ying Gao, ChiuSherry Yueh-HsiaSYDepartment of Health Care Management, College of Management, Chang Gung University, Taoyuan 333, Taiwan. Electronic address: sherrychiu@mail.cgu.edu.tw., Kuang-Hung Hsu, and Cheng-Yu Chien.
• Department of Emergency Medicine, Chang Gung Memorial Hospital, Linkou and College of Medicine, Chang Gung University, Taoyuan 333, Taiwan; Department of Emergency Medicine, Chang Gung Memorial Hospital, Taipei, Taiwan. Electronic address: Ngowl@ms3.hinet.net.
• Am J Emerg Med. 2023 Apr 1; 66: 162116-21.

BackgroundThis prospective study investigated whether integrating the Clinical Frailty Scale (CFS) with a triage system would improve triage for older adult emergency department (ED) patients.MethodsWe enrolled ED patients aged 65 years or older at 5 study sites in Taiwan between December 2020 and April 2021. All eligible patients were assigned a triage level by using the Taiwan Triage and Acuity Scale (TTAS) in accordance with usual practice. A CFS score was collected from them. The primary outcome was critical events, defined as ICU admission or in-hospital mortality. The secondary outcomes were ED medical expenditures, number of orders in the ED, and length of hospital stay (LOS). We applied a reclassification concept and integrated the CFS and TTAS to create the Triage Frailty Acuity Scale (TFAS). We compared the outcomes achieved between the TTAS and TFAS.ResultsOf 1023 screened ED patients, 890 were enrolled. The majority were assigned to TTAS level 3 (73.26%) and had CFS scores of 4 to 9 (55.96%). The primary outcomes were better predicted by the TFAS than the TTAS (area under the curve [AUC] 0.82 vs. 064). Using multivariable approach, TTAS level 1 (odds ratio [OR], 4.8; 95% confidence interval [CI], 1.7-13.4) and CFS score (OR, 5.8; 95% CI, 1.9-17.2) were significantly associated with the primary outcomes. For older adults at the highest triage level, the TFAS was not associated with an increase in the primary outcomes compared with the TTAS; however, the TFAS was associated with a significant decrease in the number of older ED patients assigned to triage levels 3 to 5. In addition, TFAS had a longer average LOS but did not have a higher average number of orders or ED medical expenditures compared to TTAS.ConclusionsThe TFAS identified more older ED patients who had been triaged as less emergent but proceeded to need ICU admission or in-hospital death. Incorporating the CFS into triage may reduce the under-triage of older adults in the ED.Copyright © 2023 Elsevier Inc. All rights reserved.

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