The non-conveyance of trauma patients in Swedish emergency medical services: a retrospective observational study of the trauma population not transported to an emergency department.

"Declarations Ethics approval and consent to participateThis study was approved by the Swedish Ethical Review Authority in Stockholm, Sweden (Dnr 2020 − 00490). Approval was given by the heads of operations of the concerned organisations. The need for written informed consent was waived by the Swedish Ethical Review Authority in Stockholm, Sweden due to retrospective nature of the study. The designated reviewers were employees of the respective organisations. Strict compliance with Swedish research ethics guidelines was upheld throughout. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding The study was funded by grants from the European Regional Development Fund. Open access funding provided by University of Boras."