Paramedic vs private transportation of trauma patients: Effect on outcome

Demetrios Demetriades, Linda Chan, Edward Cornwell, Howard Belzberg, Thomas V. Berne, Juan Asensio, Dennis Chan, Mark Eckstein, Kathy Alo

Research output: Contribution to journalArticlepeer-review

165 Scopus citations


Background: Prehospital emergency medical services (EMS) play a major role in any trauma system. However, there is very little information regarding the role of prehospital emergency care in trauma. To investigate this issue, we compared the outcome of severely injured patients transported by paramedics (EMS group) with the outcome of those transported by friends, relatives, bystanders, or police (non-EMS group). Design: We compared 4856 EMS patients with 926 non-EMS patients. General linear model analysis was performed to test the hypothesis that hospital mortality is the same in EMS and non-EMS cases, controlling for the following confounding factors, which are not affected by mode of transportation: age, gender, mechanism of injury, cause of injury, Injury Severity Score (ISS), and severe head injury. Crude, specific, and adjusted mortality rates and relative risks were also derived for the EMS and non-EMS groups. Setting: Large, urban, academic level 1 trauma center. Patients: All patients meeting the criteria for major trauma. Results: The two groups were similar with regard to mechanism of injury and the need for surgery or intensive care unit admission. The crude mortality rate was 9.3% in the EMS group and 4.0% in the non-EMS group (relative risk, 2.32; P

Original languageEnglish (US)
Pages (from-to)133-138
Number of pages6
JournalArchives of Surgery
Issue number2
StatePublished - Feb 1996
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Surgery


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