March 1981

Depression in the Course of Chronic Undifferentiated Schizophrenia

Author Affiliations

From the Department of Psychiatry, Clarke Institute of Psychiatry, University of Toronto, Toronto.

Arch Gen Psychiatry. 1981;38(3):296-297. doi:10.1001/archpsyc.1981.01780280064007

• Among 100 patients with chronic undifferentiated schizophrenia, parental loss before 17 years of age was significantly associated with the 39 who were treated for a depressive syndrome.