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Risk factors of admission in 72‑h return visits to emergency department

Sung‑Wei Liua, b*

aDepartment of Emergency, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation and Tzu Chi University, Hualien, Taiwan, bInstitute of Medical Sciences, Tzu Chi University, Hualien, Taiwan

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Open Access funded by Buddhist Compassion Relief Tzu Chi Foundation


Objective: Return visit to emergency department (ED) is a common phenomenon and has been a clinical indicator of quality of care in ED. Most of previous articles focused on the characteristics of the patients returning within 72 h after ED discharge, while those on subsequent admission are numbered. This study’s purpose is to identify risk factors for admission among 72‑h return visit in the ED adult population. Materials and Methods: This retrospective cohort study was conducted at a medical center in Eastern Taiwan. The study period was from January 1, 2013, to December 31, 2013. We excluded patients who left against medical advice or without being seen, who was admitted or transferred at the index ED visit, whose medical records were incomplete, and whose age was below 18 years old. Significant variables were selected based on univariate analysis and later entered into multivariate logistic regression analysis to identify risk factors for 72‑h return admission. Results: We identified 1575 eligible visits, and there were 1,119 visits entering into the final analysis. Male gender (odds ratio [OR] = 1.44), ambulance‑transport at return visit (OR = 3.68), senior staff (OR = 1.52), work‑up (OR = 3.03), and longer length of stay (LOS) were associated with higher risks of admission among ED 72‑h return visits. Age, comorbidity, mode of transport at index visit, consultation, triage, type of illness, outpatient department visit between ED visits, and interval between index and return visits were not significantly associated with return admission. Conclusion: Gender, mode of transportation, staff experience, check‑up, and LOS are associated with ED return admission.


Keywords: Admission, Emergency department, Return visit


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