3 years ago

Between-visit changes in suicidal ideation and risk of subsequent suicide attempt

Karen J. Coleman, Ursula S. Whiteside, Belinda H. Operskalski, Rebecca C. Rossom, Eric Johnson, Susan M. Shortreed, Robert B. Penfold, Arne Beck, Gregory E. Simon
Background While clinicians are expected to routinely assess and address suicide risk, existing data provide little guidance regarding the significance of visit-to-visit changes in suicidal ideation. Methods Electronic health records from four large healthcare systems identified patients completing the Patient Health Questionnaire or PHQ9 at outpatient visits. For patients completing two questionnaires within 90 days, health system records and state vital records were used to identify nonfatal and fatal suicide attempts. Analyses examined how changes in PHQ9 item 9 responses between visits predicted suicide attempt or suicide death over 90 days following the second visit. Results Analyses included 430,701 pairs of item 9 responses for 118,696 patients. Among patients reporting thoughts of death or self-harm “nearly every day” at the first visit, risk of suicide attempt after the second visit ranged from approximately 2.0% among those reporting continued thoughts “nearly every day” down to 0.5% among those reporting a decrease to “not at all.” Among those reporting thoughts of death or self-harm “not at all” at the first visit, risk of suicide attempt following the second visit ranged from approximately 0.2% among those continuing to report such thoughts “not at all” up to 1.2% among those reporting an increase to “nearly every day”. Conclusions Resolution of suicidal ideation between visits does imply a clinically important reduction in short-term risk, but prior suicidal ideation still implies significant residual risk. Onset of suicidal ideation between visits does not imply any special elevation compared to ongoing suicidal ideation. Risk is actually highest for patients repeatedly reporting thoughts of death or self-harm.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/da.22623

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