Journal
JOURNAL OF AFFECTIVE DISORDERS
Volume 296, Issue -, Pages 506-513Publisher
ELSEVIER
DOI: 10.1016/j.jad.2021.09.094
Keywords
Bipolar disorder; Delayed diagnosis; Early intervention; Duration of undiagnosed bipolar disorder
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Funding
- Johnson-Ortho, Canada
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The median delay in diagnosis was found to be 5.0 years in BD-I and 11.0 years in BD-II. Clinical factors such as earlier age of onset, lifetime suicide attempts, and comorbid anxiety disorders were associated with longer delay in diagnosis, while the presence of lifetime psychotic symptoms and psychiatric hospitalizations were associated with a shorter delay. In conclusion, the study highlights the need for strategies for early identification and interventions in Bipolar Disorder.
Background: The diagnosis of Bipolar Disorder (BD) is frequently delayed. In this study, we aimed to examine the clinical and demographic factors associated with delayed diagnosis of BD, defined as the difference between the age at first mood episode (depressive, manic, or hypomanic) and the age at the correct diagnosis of BD, using data from a Canadian multicentre naturalistic study. Methods: The sample included 192 patients with Bipolar I Disorder (BD-I) and 127 with Bipolar II Disorder (BP-II) who participated in the Health Outcomes and Patient Evaluations in Bipolar Disorder (HOPE-BD) study. Sociodemographic characteristics and clinical features that had been previously associated with delayed diagnosis of BD were included in the analysis. Results: The median delay in diagnosis was 5.0 years in BD-I and 11.0 years in BD-II. Clinical factors such as earlier age of onset, lifetime suicide attempts and comorbid anxiety disorders were associated with a longer delay, whereas the presence of lifetime psychotic symptoms and psychiatric hospitalizations were associated with a shorter delay. Quantile regression analysis showed older age at which professional help was first sought and younger age of onset as predictors of increased delay in diagnosis of BD-I and BD-II. Depression as first episode predicted longer delay in diagnosis of BD-I but not BD-II. Conclusion: Our findings identified the ongoing lag in identification of a BD diagnosis and the clinical markers most associated with this delay, highlighting the need for implementation of strategies for early identification and interventions in BD.
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