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A 2000 study by the World Health Organization found that prevalence and incidence of bipolar disorder are very similar across the world. Age-standardized prevalence per 100,000 ranged from 421.0 in South Asia to 481.7 in Africa and Europe for men and from 450.3 in Africa and Europe to 491.6 in Oceania for women.
The global estimated lifetime prevalence of bipolar disorder among adults range from 1 to 3 percent. [63] The annual incidence is estimated to vary from 0.3 to 1.2 percent worldwide. [ 23 ] According to the World Mental Health Survey Initiative, the lifetime prevalence of BP-II was found to be 0.4%, with a 12-month prevalence of 0.3%. [ 64 ]
A review that pooled surveys of mood disorders in different countries up to 2000 found 12-month prevalence rates of 4.1% for major depressive disorder (MDD), 2% for dysthymic disorder and 0.72% for bipolar 1 disorder. The average lifetime prevalence found was 6.7% for MDD (with a relatively low lifetime prevalence rate in higher-quality studies ...
Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior. Bipolar Disorder: 4 Types & What ...
The lifetime prevalence of BD is approximately 1% in the general population, [4] but rises to 4% when given the broader definition of bipolar spectrum disorder. As a result of the broad and complex nature of bipolar disorder, misdiagnosis is fairly common: 69% of confirmed cases are found to be initially misdiagnosed and more than a third of ...
Bipolar I: People with bipolar I disorder have had at least one manic episode along with a period of major depression or less severe mania. People with bipolar I can also have an episode of ...
Bipolar disorder is difficult to diagnose. [2] If a person displays some symptoms of bipolar disorder but not others, the clinician may diagnose bipolar NOS. The diagnosis of bipolar NOS is indicated when there is a rapid change (days) between manic and depressive symptoms and can also include recurring episodes of hypomania. Bipolar NOS may be ...
The DSM-5, released in May 2013, separates the mood disorder chapter from the DSM-IV-TR into two sections: Depressive and related disorders and bipolar and related disorders. Bipolar disorders fall in between depressive disorders and schizophrenia spectrum and related disorders "in recognition of their place as a bridge between the two ...
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