Studies have estimated that as many as 30% of Vietnam war veteransdeveloped post-traumatic stress disorder at some point afterthe war; between 9% and 15% had the disorder by the end of the1980s.43031
Early identification of personnel with symptomsof post-traumatic stress disorder may lead to a smaller burdenof the disorder in the years to come if appropriate and timelytreatments are provided. In this study, the prevalence of newonset self reported symptoms or diagnosis of post-traumaticstress disorder varied from 1% to 10% from baseline to follow-up.
A recent study reported that compared with 11.8%of US army personnel reporting symptoms of post-traumatic stressdisorder soon after combat deployment, 16.7% reported symptomssix months post-deployment.32
his difference was larger amongReserve army personnel, 12.7% of whom reported symptoms afterthe end of deployment compared with 24.5% reporting symptomssix months post-deployment.
Overall, the rate of new onset self reported symptoms of post-traumaticstress disorder in deployed personnel was 4.3%, a rate thatis nearly twice that seen in non-deployed personnel (2.3%).
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