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TITLE:

PATIENT CHARACTERISTICS ASSOCIATED WITH LONGER EMERGENCY DEPARTMENT STAY: A LITERATURE REVIEW - 2019

AUTHORS:

Mona Ali Alsudais , Mohammed Fahad Alqahtani , Abdullah Abdulaziz Almuhaymidi , Mohammad Ahmad Alamoudi , Mayar Ali Alsudais , Omar Mualla Alotaibi , Amjad Mohammed Al-Shehri , Ahmad Mohammed Zamzami, Ali Ahmad Y Althagafi , Radwan Atif Ghurab , Rayan Atif Ghurab, Abdullah Mohammed H Bafaqih, Ibrahim Sayed Yousef , Naif Mubarak O Alhamdi , Maan Hussain Agil , Kholoud Ibrahim Matabi , Osama Saud H Aljameel

ABSTRACT:

Prolonged emergency department (ED) stays make a disproportionate contribution to ED overcrowding, but the factors associated with longer stays have not been systematically reviewed. Objective: To identify the patient characteristics associated with ED length of stay (LOS) and ascertain whether a predictive model existed. Methods This rapid systematic review included published, English-language studies that assessed at least one patient-level predictor of ED LOS (defined as a continuous or dichotomous variable) in an adult or mixed adult/pediatric population within an Organization for Economic Cooperation and Development country. Findings were synthesized narratively. We identified 35 relevant studies; most included multiple predictors, but none developed a predictive model. The factors most commonly associated with long ED LOS were need for admission (10 of 10 studies) and older age (which may be a proxy for age-related differences in health condition and severity; 9 of 10), receipt of diagnostic tests or consults (8 of 8) and ambulance arrival (4 of 5). Acuity often showed a bell-shaped relationship with LOS (ie, patients with moderate acuity stayed longest).

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