• Polly Y Gipson, Prachi Agarwala, Kiel J Opperman, Adam Horwitz, and Cheryl A King.
• From the *Department of Psychiatry, †Depression Center, and ‡Departments of Psychiatry and Psychology, University of Michigan, Ann Arbor, MI.
• Pediatr Emerg Care. 2015 Feb 1; 31 (2): 88-94.

ObjectiveDespite the high prevalence of psychiatric emergency (PE) visits for attempted suicide and nonsuicidal self-injury (NSSI) among adolescents, we have limited information about assessment tools that are helpful in predicting subsequent risk for suicide attempts among adolescents in PE settings. This study examined the predictive validity of a highly promising instrument, the Columbia-Suicide Severity Rating Scale (C-SSRS).MethodParticipants were 178 adolescents (44.4% male; ages 13-17 years) seeking PE services. The C-SSRS interview and selected medical chart data were collected for the index visit and subsequent visits during a 1-year follow-up.ResultsA suicide risk concern was the most common chief complaint (50.6%) in this sample, and nearly one third of the adolescents (30.4%) reported a lifetime history of suicide attempt at index visit. Sixty-two adolescents (34.8%) had at least one return PE visit during follow-up. Lifetime history of NSSI predicted both return PE visits and a suicide attempt at return visit. The C-SSRS intensity scale score was a significant predictor of a suicide attempt at return visit for both the full sample of adolescents and the subsample who reported suicidal ideation at their index visit. In this subsample, one specific item on the intensity scale, duration, was also a significant predictor of both a return PE visit and a suicide attempt at return visit.ConclusionsThe C-SSRS intensity scale and NSSI had predictive validity for suicide attempts at return visit. Results also suggest that duration of adolescents' suicidal thoughts may be particularly important to risk for suicidal behavior, warranting further study.

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