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December 1983

Discriminating Borderline Disorder From Other Personality DisordersCluster Analysis of the Diagnostic Interview for Borderlines

Author Affiliations

From the Department of Psychology, University of Iowa, Iowa City (Mr Barrash); and the Department of Psychiatry, University of Minnesota Medical School, Minneapolis (Drs Kroll and Sines). Ms Carey is a private consultant in St Paul.

Arch Gen Psychiatry. 1983;40(12):1297-1302. doi:10.1001/archpsyc.1983.01790110039008

• The statistical technique of cluster analysis was applied to 252 hospitalized patients' scores on the 29 statements of the Diagnostic Interview for Borderlines. We found that this statistical treatment could reliably differentiate borderline disorder from other personality disorders. Two subtypes similar to Spitzer's schizotypal and unstable subtypes emerged.