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Helicopter vs Ground Transportation for Patients With Trauma

Debraj Mukherjee, MD, MPH; Miriam Nuno, PhD; Chirag G. Patil, MD, MS
JAMA. 2012;308(6):563-565. doi:10.1001/jama.2012.7774.
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To the Editor: The study by Dr Galvagno and colleagues1 focused on the association between helicopter vs ground EMS and survival among patients older than 15 years of age with Injury Severity Scores (ISSs) higher than 15 using the NTDB. While the authors attempted to control and adjust for multiple confounders within their analysis, there remain several areas of concern.

Although the authors selected an ISS score of 15 to define their threshold for severe injury (based primarily on work from the 1970s and 1980s2,3), more recent studies4 have demonstrated an ISS score of 8 is a more sensitive threshold to capture equally severe injury. Inclusion of a sensitivity analysis using this lower threshold may have strengthened the analysis.

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August 8, 2012
M. Kit Delgado, MD, MS; Craig D. Newgard, MD, MPH; Renee Y. Hsia, MD, MSc
JAMA. 2012;308(6):563-565. doi:10.1001/jama.2012.7770.
August 8, 2012
Joseph Ting, MBBS, MSc(Lond), BMedSc
JAMA. 2012;308(6):563-565. doi:10.1001/jama.2012.7772.
August 8, 2012
Brian P. Walcott, MD; Brian V. Nahed, MD; Jean-Valery Coumans, MD
JAMA. 2012;308(6):563-565. doi:10.1001/jama.2012.7776.
August 8, 2012
Samuel M. Galvagno, DO, PhD; Susan P. Baker, MPH; Adil H. Haider, MD, MPH
JAMA. 2012;308(6):563-565. doi:10.1001/jama.2012.7778.
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