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The Journal of Nervous and Mental Disease:
August 2008 - Volume 196 - Issue 8 - pp 605-611
doi: 10.1097/NMD.0b013e318181326d
Original Article

Development and Initial Validation of a Statistical Prediction Instrument for Assessing Combat-Related Posttraumatic Stress Disorder

Marx, Brian P. PhD; Humphreys, Kathryn L. Ed.M; Weathers, Frank W. PhD; Martin, Elaine K. BS; Sloan, Denise M. PhD; Grove, William M. PhD; Kaloupek, Danny G. PhD; Keane, Terence M. PhD

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Abstract

Statistical analyses were used to derive and validate a statistical prediction instrument to determine combat-related posttraumatic stress disorder (PTSD) status. Participants were 1081 Vietnam veterans with and without combat-related PTSD. The statistical prediction instrument, which consisted of 12 well-known risk and resilience variables associated with PTSD, proved to be an accurate and efficient means of detecting PTSD among participants and compared well against other existing self-report measures of PTSD. The instrument's practical applications and its use in clinical appraisals of PTSD are discussed.

© 2008 Lippincott Williams & Wilkins, Inc.

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