Concurrent and predictive validity of the personality disorder diagnosis in adolescent inpatients

Kenneth N. Levy, Daniel F. Becker, Carlos M. Grilo, Jonathan J.F. Mattanah, Kathleen E. Garnet, Donald M. Quinlan, William S. Edell, Thomas H. McGlashan

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Abstract

Objective: The authors investigated the concurrent and predictive validity of the DSM-III-R diagnosis of personality disorder in adolescents by means of baseline and follow-up assessments of inpatients treated at the Yale Psychiatric Institute. Method: One hundred sixty-five hospitalized adolescents were reliably assessed by using a structured interview for personality disorder diagnoses as well as two measures of impairment and distress - the Global Assessment of Functioning Scale and the SCL-90-R. Two years after initial assessment, 101 subjects were independently reassessed with the same measures; their functioning was also assessed at this time. Results: At baseline, adolescents with personality disorders were significantly more impaired than those without personality disorders. At follow-up, adolescents with a personality disorder diagnosis at baseline had used significantly more drugs and had required more inpatient treatment during the follow-up interval. Over time, the scores on the Global Assessment of Functioning Scale and SCL-90-R of adolescents diagnosed with a personality disorder at baseline became more similar to the scores of adolescents without a personality disorder. Conclusions: The diagnosis of personality disorder in adolescent inpatients has good concurrent validity; however, the predictive validity of the diagnosis is mixed.

Original languageEnglish (US)
Pages (from-to)1522-1528
Number of pages7
JournalAmerican Journal of Psychiatry
Volume156
Issue number10
DOIs
StatePublished - Oct 1999

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health

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    Levy, K. N., Becker, D. F., Grilo, C. M., Mattanah, J. J. F., Garnet, K. E., Quinlan, D. M., Edell, W. S., & McGlashan, T. H. (1999). Concurrent and predictive validity of the personality disorder diagnosis in adolescent inpatients. American Journal of Psychiatry, 156(10), 1522-1528. https://doi.org/10.1176/ajp.156.10.1522