Publication date: Jun 28, 2023

Background During the coronavirus disease 2019 (COVID-19) pandemic period, an extended total activity time (TAT) in emergency cases has been reported, especially in febrile patients. A brief selection time (ST) regarding the transport of patients to designated hospitals is vital to achieving a good outcome. However, to our knowledge, no studies have reported the impact of the COVID-19 pandemic on the ST. We therefore examined the impact of a fever on the ST for the transportation of emergency patients during the COVID-19 pandemic. Method We analyzed emergency medical services (EMS) data in Sapporo between January 2015 and December 2020. The primary outcome was the ST for the emergency destination of patients. The secondary outcomes were the number of inquiries, time from emergency call to arrival at the scene [call-to-scene time (CST)], time from arrival at the hospital to return base [arrival-to-return time (ART)], and TAT. We used a multivariable linear regression model to estimate the difference-in-differences effect. Results A total of 383,917 patients who were transported to the hospital were enrolled within the study period. The mean ST was 5. 8 min in 2019 and 7. 1 min in 2020. The difference-in-differences analyses showed that the mean ST increased by 2. 52 min (p

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