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Journal Article

Citation

Pokorny AD. Suicide Life Threat. Behav. 1993; 23(1): 1-10.

Affiliation

Baylor College of Medicine.

Copyright

(Copyright © 1993, American Association of Suicidology, Publisher John Wiley and Sons)

DOI

unavailable

PMID

8475527

Abstract

Data from a 1983 prospective study of suicide in a cohort of 4,800 psychiatric inpatients were reanalyzed using logistic regression, which is more appropriate for a binary outcome. The results were the same as in the previous study: too few of the subsequent suicides were identified and there were too many false positives to make this procedure useful. Several additional "artificial" logistic regression analyses were done: one series randomly removed increasing numbers of nonsuicide cases to increase the base rates; another series added an increasingly powerful hypothetical "test." Both of these maneuvers helped, but fell well short of perfection.

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