• Signe Amalie Wolthers, Tor Jerker Mikaelsson, Mathias Geldermann Holgersen, Stig Nikolaj Fasmer Blomberg, Lars Bredevang Andersen, Søren Mikkelsen, and ChristensenHelle CollatzHCEmergency Medical Services, Prehospital Center, Region Zealand, Ringstedgade 61, 13 Floor, 4700, Næstved, Denmark..
• Emergency Medical Services, Prehospital Center, Region Zealand, Ringstedgade 61, 13 Floor, 4700, Næstved, Denmark. s.a.wolthers@gmail.com.
• Intern Emerg Med. 2024 May 15.

AbstractNon-conveyance refers to the practice of treating a patient on-site without transporting them to a medical facility. It may decrease unnecessary hospital transfers and improve patient satisfaction. Nonetheless, ensuring patient safety remains paramount. The objective of the study was to assess admission to hospital and mortality in non-conveyed patients. This population-based cohort study included all high-acuity dispatches in Region Zealand, Denmark between 2019 and 2022. The primary outcome was admission within 48 h, and the secondary outcome was 30-day mortality. Descriptive statistical analyses were conducted, and logistic regression models were used to estimate adjusted odds ratios and 95% confidence intervals. A non-conveyance rate of 14% was identified in 95,238 transports. Admission within 48 h was seen in 22% of non-conveyed patients vs. 95% in conveyed patients, p < 0.001. The adjusted analysis showed a decreased likelihood of admission within 48 h within non-conveyed patients, with an aOR of 0.01 95% CI (0.01-0.01). Non-conveyed patients had a crude 30-day mortality rate of 2 vs. 6% among conveyed patients, p < 0.001. The adjusted analysis showed an increased likelihood of 30-day mortality in non-conveyed patients with an odds ratio of 1.21, 95% CI (1.05-1.40). Non-conveyed patients constitute a substantial proportion of patients assessed by ambulances following high-acuity dispatch. Less than one in four non-conveyed patients were admitted within 48 h. Despite the low crude mortality in this study, an increased likelihood of mortality was found within the non-conveyed population. However, additional investigation is warranted in future research.© 2024. The Author(s).

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