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July 1981

Schizoaffective Disorder: Criteria and Prevalence-Reply

Author Affiliations

Clinical Psychobiology Branch National Institute of Mental Health Bldg 10, Room 4S-239 9000 Rockville Pike Bethesda, MD 20205
Ayerst Laboratories, Ine 685 Third Ave New York, NY 10017
Harborview Medical Center 325 Ninth Ave Seattle, WA 98104
New York State Psychiatrie Institute 722 W 168th St New York, NY 10032

Arch Gen Psychiatry. 1981;38(7):844. doi:10.1001/archpsyc.1981.01780320124019

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Only those patients with

Schneiderian first-rank symptoms other than audible thoughts were included in our RDC + schizoaffective group. Our original assertions about the numbers of patients in each subgroup are correct; that is, of 71 bipolar patients, 25 (35%) met RDC criteria for schizoaffective disorder, 21 by virtue of having at least one of the first-rank symptoms (not including "audible thoughts") in conjunction with a major affective syndrome. We maintain, therefore, that the differences we reported between RDC + and RDC- groups do not refer merely to "Schneiderian +" vs "Schneiderian -" patients. However, the reader's careful inspection of our report has helped us to uncover an error in our table on the frequency of Schneiderian first-rank symptoms (Table 3 in the article). The frequency of the actual symptoms was underreported in our article and should have been shown as in the Table. The total number of first-rank symptoms exceeds the number

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