To the Editor Dr Madsen and colleagues1 found an increased rate of suicide among individuals who had a traumatic brain injury (TBI) compared with persons without TBI, after controlling for preinjury factors including deliberate self-harm. However, such factors may nevertheless have an important role in the etiology of suicide after TBI, given that the rates of deliberate self-harm in individuals who went on to experience a TBI were 1.65 times higher than in those without a TBI (Table 1 in the article).
Fleminger S, Fleminger J. Self-harm, Traumatic Brain Injury, and Suicide. JAMA. 2018;320(23):2484–2485. doi:10.1001/jama.2018.17558
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