• Although there is a large psychiatric literature on various "borderline" conditions, there has been no agreement as to the definition of the concept. A review of the literature reviewed two major uses of the term: Borderline Schizophrenia and Borderline Personality. Two item sets were developed to provide diagnostic criteria for the two concepts. High sensitivity and specificity were demonstrated for both item sets using data describing 808 borderline and 808 control patients. These criteria will be used in the forthcoming DSM-III classification for the categories of Borderline Personality Disorder and Schizotypal Personality Disorder.
Spitzer RL, Endicott J, Gibbon M. Crossing the Border Into Borderline Personality and Borderline SchizophreniaThe Development of Criteria. Arch Gen Psychiatry. 1979;36(1):17–24. doi:10.1001/archpsyc.1979.01780010023001
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