Psychological Medicine

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Psychological Medicine (1992), 22:131-145 Cambridge University Press
Copyright © Cambridge University Press 1992

Original Articles

The International Pilot Study of Schizophrenia: five-year follow-up findings1

J. Leffa1 c1, N. Sartoriusa1, A. Jablenskya1, A. Kortena1 and G. Ernberga1

a1 World Health Organization, Geneva, Switzerland
Article author query
leff j [PubMed]  [Google Scholar]
sartorius n [PubMed]  [Google Scholar]
jablensky a [PubMed]  [Google Scholar]
korten a [PubMed]  [Google Scholar]
ernberg g [PubMed]  [Google Scholar]


A five-year follow-up of the patients initially included in the International Pilot Study of Schizophrenia was conducted in eight of the nine centres. Adequate information was obtained for 807 patients, representing 76% of the initial cohort. Clinical and social outcomes were significantly better for patients in Agra and Ibadan than for those in the centres in developed countries. In Cali, only social outcome was significantly better.


c1 Address for correspondence: Dr Norman Sartorius, Division of Mental Health World Health Organization, 1211 Geneva 27, Switzerland.


1 This paper on the 5-year follow-up of patients included in the International Pilot Study of Schizophrenia of the WHO was prepared on behalf of the collaborating investigators (see Appendix).