McLean-Harvard International First-Episode Project: two-year stability of DSM-IV diagnoses in 500 first-episode psychotic disorder patients.

@article{Salvatore2009McLeanHarvardIF,
  title={McLean-Harvard International First-Episode Project: two-year stability of DSM-IV diagnoses in 500 first-episode psychotic disorder patients.},
  author={Paola Salvatore and Ross J. Baldessarini and Mauricio Tohen and Hari-Mandir Kaur Khalsa and Jes{\'u}s P{\'e}rez Sanchez-Toledo and Carlos A. Zarate and Eduard Vieta and Carlo Maggini},
  journal={The Journal of clinical psychiatry},
  year={2009},
  volume={70 4},
  pages={458-66}
}
OBJECTIVE Since stability of DSM-IV diagnoses of disorders with psychotic features requires validation, we evaluated psychotic patients followed systematically in the McLean-Harvard International First Episode Project. METHOD We diagnosed 517 patients hospitalized in a first psychotic illness by SCID-based criteria at baseline and at 24 months to assess stability of specific DSM-IV diagnoses. RESULTS Among 500 patients (96.7%) completing the study, diagnoses remained stable in 77.6… CONTINUE READING

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