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A Controlled Outcome Study

Charles P. O'Brien, MD, PhD; Kyle B. Hamm, MD; Ben A. Ray, MSW; James F. Pierce, MD; Lester Luborsky, PhD; Jim Mintz, PhD

Arch Gen Psychiatry. 1972;27(4):474-478.

Abstract
One hundred schizophrenic patients, newly discharged from a state mental hospital, were randomly assigned to group or to individual psychotherapy. The patients in each treatment category were initially equivalent on measures of illness severity and on prognostic indices. Outcome after 12 and 24 months of treatment, based on social effectiveness and psychiatric ratings, was significantly better for group therapy, but rehospitalization rates did not differ significantly. Analysis of therapist variables failed to account for the differences in outcome. Thus, in this population, the type of treatment was able to influence the outcome.

Author Affiliations
Philadelphia; New Orleans; Philadelphia

From the Department of Psychiatry, University of Pennsylvania (Drs. O'Brien, Luborsky, and Mintz); the Department of Psychiatry and Neurology (Drs. Hamm and Pierce) and the Mental Health Section, School of Public Health and Tropical Medicine (Mr. Ray), Tulane University, La. Dr. Luborsky is also on the staff of Eastern Pennsylvania Psychiatric Institute.

Footnotes
Accepted for publication Feb 11, 1972.

Reprint requests to Drug Dependence Treatment Center, Veterans Administration Hospital, University and Woodlawn Ave, Philadelphia 19104 (Dr. O'Brien).

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