Five-year course of schizophreniform disorder

Jiahui Zhang-Wong, Morton Beiser, Graham Bean, William G. Iacono

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Roughly one-quarter of persons experiencing a first episode of psychosis and receiving a diagnosis of schizophreniform disorder recovered within 6 months of the onset of illness. Five years later, these 'true schizophreniform disorder' subjects were functioning better than others who experienced a first episode of schizophrenia or affective disorder. Although 40% of people with schizophrenia or affective disorder were rehospitalized at least once during the 5-year follow-up, none from the true schizophreniform disorder group reentered the hospital. Compared with people with schizophrenia, true schizophreniform disorder subjects had more positive symptoms, fewer negative symptoms, and more manic symptoms. Thus, a schizophrenia-like acute remitting psychosis has sufficiently unique clinical features to merit separate diagnostic classification.

Original languageEnglish (US)
Pages (from-to)109-117
Number of pages9
JournalPsychiatry Research
Issue number1-2
StatePublished - Nov 29 1995

Bibliographical note

Funding Information:
The researcho n which this articlei s basedw as supportedb y grant6 610-1206-4fr4o m Healtha nd Welfare Canada National Health Researcha nd DevelopmenPt rogram( NHRDP), by a grant 111 (82-2)f rom the BritishC olumbiaH ealthR esearch Foundation,b y grantM H-44643f rom theN ation-al Institute of Mental Health, by a National Health ScientistA ward from NHRDP to Dr. M. Beiser,b y a CanadianP sychiatricR esearchF oun-dation fellowship to Dr. G. Bean, and by an Ontario Mental Health FoundationF ellowshipt o Dr. J. Zhang.


  • Affective disorder
  • Diagnosis, psychiatric
  • Outcome
  • Schizophrenia


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