PMID: 8962584Dec 1, 1996Paper

Simplifying the assessment of rural emergency medical services trauma transport

Medical Care
Robert L OhsfeldtR Treat

Abstract

The authors determine whether assessments of effects of rural emergency medical service (EMS) system characteristics on trauma outcomes (using patient-level data) are significantly biased if the Injury Severity Score (ISS) is not available. The data are from ambulance trip reports merged with the trauma registry data for the Georgia EMS region VI trauma center hospital, located in Augusta. All 294 trauma patients for the rural counties surrounding Richmond County for the calendar year 1991 who were not dead at the scene and were treated at the trauma center are included. A 20% random sample of trauma patients from Richmond county from May to September 1991 not dead at the scene and treated at the trauma center yielded an additional 96 cases. Excluding 43 patients with missing data yields 347 trauma cases with 18 trauma deaths. A logistic regression model for trauma mortality is estimated using the Revised Trauma Score (RTS), ISS, type of trauma, and patient age (analogous to the standard Trauma Related Injury Severity Score model). The predicted probability of patient mortality from this model is compared with the predicted probability of mortality when the logistic regression model omits ISS. Correlations between the differenc...Continue Reading

References

May 1, 1990·The Journal of Trauma·H R ChampionS Schwaitzberg
Sep 1, 1981·Critical Care Medicine·H R ChampionW J Fouty
Oct 1, 1995·The Journal of Rural Health : Official Journal of the American Rural Health Association and the National Rural Health Care Association·M A MorriseyR Treat

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Citations

Jul 28, 1999·Irish Journal of Medical Science·J G CallearyW P Joyce
Jan 17, 2003·Critical Care Medicine·James P Marcin, Murray M Pollack
Mar 12, 1998·Health Care Management Review·T R Prince

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