The prevalence of psychiatric diagnoses and associated mortality in hospitalized US trauma patients JOURNAL OF SURGICAL RESEARCH Townsend, L. L., Esquivel, M. M., Uribe-Leitz, T., Weiser, T. G., Maggio, P. M., Spain, D. A., Tennakoon, L., Staudenmayer, K. 2017; 213: 171–76


We hypothesized that psychiatric diagnoses would be common in hospitalized trauma patients in the United States and when present, would be associated with worse outcomes.The Nationwide Inpatient Sample (NIS, 2012) was used to determine national estimates for the number of patients admitted with an injury. Psychiatric diagnoses were identified using diagnosis codes according to the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition.A total of 36.5 million patients were admitted to hospitals in the United States in 2012. Of these, 1.3 million (4%) were due to trauma. Psychiatric conditions were more common in patients admitted for trauma versus those admitted for other reasons (44% versus 34%, P < 0.001). Trauma patients who had a psychiatric diagnosis compared to trauma patients without a psychiatric diagnosis were older (mean age: 61 versus 56 y, P < 0.001), more often female (52% versus 50%, P < 0.001), and more often white (73% versus 68%, P < 0.001). For ages 18-64, drug and alcohol abuse predominated (41%), whereas dementia and related disorders (48%) were the most common in adults =65 y. Mortality was lower for trauma patients with a psychiatric diagnosis compared to those who did not in both unadjusted and adjusted analysis (1.9% versus 2.8%; odds ratio: 0.56, P < 0.001).Psychiatric conditions are present in almost half of all hospitalized trauma patients in the United States; however, the types of conditions varied with age. The frequency of psychiatric conditions in the trauma population suggests efforts should be made to address this component of patient health.

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