Suicide prediction revisited.
Data from a 1983 prospective study of suicide in a cohort of 4800 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.
Pokorny
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Baylor College of Medicine.
D006801:Humans; D010552:Personality Assessment / Q000706:statistics & numerical data*; D012044:Regression Analysis; D012307:Risk Factors; D013405:Suicide / Q000523:psychology* / Q000706:statistics & numerical data; D000092864:Suicide Prevention