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we observe a case in which a Soldier scores above the References
cutoff, the probability that he has PTSD is only 0.55. 1. Hing M, Cabrera J, Barstow C, et al. Special Operations
This means that a substantial percentage of survey re- Forces and incidence of post-traumatic stress disorder
spondents whom Hing and colleagues classified into symptoms. J Spec Oper Med. 2012;12:23–35.
their PTSD group probably did not actually have the 2. Weathers FW, Litz BT, Herman DS. The PTSD Checklist:
condition of interest. This conclusion is supported by a reliability, validity, and diagnostic utility. Paper presented
simple comparison of the mean PCL scores of the Hing at the Annual Meeting of International Society for Trau-
et al. study respondents against the mean PCL scores of matic Stress Studies, October 1993, San Antonio, TX.
participants from the instrument’s validation samples. 3. Engelhard IM, Van Den Hout MA, Weerts J, et al. De-
It is further supported by analysis with the Test Valida- ployment-related stress and trauma in Dutch soldiers re-
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enables us to estimate local BRs—with the TVS, we see 4. McLay RN, Deal WE, Murphy JA, et al. On-the-record
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Primary Care Posttraumatic Stress Disorder Screen and
We are cognizant of the many challenges endemic to ap- the Posttraumatic Stress Disorder Checklist with soldiers
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10
Ramchand et al. ) among studies that are otherwise 8. Frederick R, Bowden S. The test validation summary. As-
well done and held in high regard (see, e.g., Smith et sessment. 2009;16:215–236.
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11
to erroneous PTSD BR estimates that can encumber our mary to explore constructs in symptom validity tests. J
efforts toward understanding, assessing, and, when nec- Head Trauma Rehabil. 2009;24:105–122.
essary, treating SOF Soldiers. They can foster a “con- 10. Ramchand R, Karney BR, Osilla KC, et al. Prevalence of
tinued narrative of PTSD” that “kindle[s] self-fulfilling PTSD, depression, and TBI among returning servicemem-
prophecies and actually contribute[s] to an increase in bers. In Tanielian T, Jaycox L, editors. Invisible wounds
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to policy and resource allocation across the Department quences, and services to assist recovery. Santa Monica,
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persistent symptoms of post-traumatic stress disorder self
careful in our methods, humble in our conclusions, and reported after deployment and combat exposures: pro-
aware of the greater implications of our work. As such, spective population based U.S. military cohort study. Br
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Keywords: posttraumatic stress disorder, surveys
Disclaimers
Opinions expressed here do not necessarily reflect those
of any organization with which the authors are affili-
ated. We are grateful to Paul Dean, PhD (COL, U.S. Dr. Neller is in independent practice in Southern Pines, North
Army), Jeff McNeil, PhD (LTC, U.S. Army), Dan Sea- Carolina.
grave, PsyD, ABPP, and Rick Frederick, PhD, ABPP
(CPT, U.S. Navy, Ret) for their helpful comments. A MAJ Butcher is affiliated with the United States Army Spe-
more detailed analysis of the Hing et al. study is avail- cial Operations Command at Fort Bragg, North Carolina.
able on request: daniel.neller.ctr@ahqb.soc.mil.
Disclosures
The authors have nothing to disclose.
92 Journal of Special Operations Medicine Volume 14, Edition 1/Spring 2014

