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Journal Article

Citation

Chaudhury SR, Grunebaum MF, Galfalvy HC, Burke AK, Sher L, Parsey RV, Everett B, Mann JJ, Oquendo MA. J. Affect. Disord. 2007; 104(1-3): 245-250.

Affiliation

Department of Neuroscience, New York State Psychiatric Institute and Columbia University, 1051 Riverside Drive, Box 42, New York, NY 10032, United States.

Copyright

(Copyright © 2007, Elsevier Publishing)

DOI

10.1016/j.jad.2007.02.022

PMID

17434597

PMCID

PMC2151386

Abstract

BACKGROUND: Defining bipolar disorder (BD) subtypes with increased risk of suicidal behavior may help clinical management. We tested the hypothesis that the polarity of a patient's first mood episode would be a marker for BD subtypes with differential risk for suicidality. METHODS: One hundred thirteen subjects with DSM-IV defined BD were classified based on whether their first reported episode was manic/hypomanic (FM) or depressed (FD). They were compared on demographic and clinical variables. Logistic regression adjusting for potential confounds tested the association between first episode polarity and history of suicide attempt. RESULTS: Multiple logistic regression analysis showed that FD group membership was associated with eightfold odds of a past suicide attempt, adjusting for years ill and total number of lifetime major depressive episodes. LIMITATIONS: Sample size, retrospective design, recall bias, assessment during a mood episode, and imprecise recall of hypomania. CONCLUSIONS: Polarity of patients' first reported mood episode suggested a depression-prone subtype with a greater probability of past suicide attempt. The FM group had more alcoholism and psychosis, but less likelihood of past suicide attempt. Validation of these putative subtypes requires prospective study.


Language: en

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