Obsessive-compulsive disorder in hospitalized patients with chronic schizophrenia

Michael Poyurovsky, Sophia Hramenkov, Victoria Isakov, Boris Rauchverger, Ilan Modai, Michael Schneidman, Camil Fuchs, Abraham Weizman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

134 Scopus citations


Obsessive-compulsive (OC) symptoms have been observed in a substantial proportion of schizophrenic patients. In this study, we assessed the rate of occurrence of OC symptoms and the interrelationship between OC and schizophrenic symptoms in 68 hospitalized chronic schizophrenic patients. The patients were interviewed with the Structured Clinical Interview for Axis-I DSM-IV Disorders - Patient Edition (SCID-P) and the appropriate rating scales including the Scale for the Assessment of Positive Symptoms, the Scale for the Assessment of Negative Symptoms, the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS), the Barnes Akathisia Scale, the Abnormal Involuntary Movement Scale, and the Social Behaviour Schedule (SBS). Sixteen patients (23.5%) met the DSM-IV criteria for OCD. A comparison of schizophrenic patients with and without OCD showed that the schizo-obsessive patients were significantly (1.7-fold) more impaired in basic social functioning, as reflected by the SBS score. No significant between-group differences for any of the other clinical variables were found. There was no significant correlation between OC and schizophrenic symptoms within the schizo-obsessive subgroup. The mean Y-BOCS score for the patients with both schizophrenia and OCD was within the typical range (22.8 ± 1.7) observed in OCD without psychosis. The findings provide further evidence for the importance of the OC dimension in schizophrenia and may have important implications for the application of effective treatment approaches in this difficult-to-treat subgroup of schizophrenic patients.

Original languageEnglish
Pages (from-to)49-57
Number of pages9
JournalPsychiatry Research
Issue number1
StatePublished - 10 May 2001


  • Chronic schizophrenia
  • Hospitalized patients
  • Obsessive-compulsive disorder (OCD)


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