New onset and persistent symptoms of post-traumatic stress di...

Studies have estimated that as many as 30% of Vietnam war veterans developed post-traumatic stress disorder at some point after the war; between 9% and 15% had the disorder by the end of the 1980s.^{4 30 31}

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Early identification of personnel with symptoms of post-traumatic stress disorder may lead to a smaller burden of the disorder in the years to come if appropriate and timely treatments are provided. In this study, the prevalence of new onset self reported symptoms or diagnosis of post-traumatic stress disorder varied from 1% to 10% from baseline to follow-up.

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A recent study reported that compared with 11.8% of US army personnel reporting symptoms of post-traumatic stress disorder soon after combat deployment, 16.7% reported symptoms six months post-deployment.³²

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his difference was larger among Reserve army personnel, 12.7% of whom reported symptoms after the end of deployment compared with 24.5% reporting symptoms six months post-deployment.

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Overall, the rate of new onset self reported symptoms of post-traumatic stress disorder in deployed personnel was 4.3%, a rate that is nearly twice that seen in non-deployed personnel (2.3%).

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