Differences between unipolar mania and bipolar‐I disorder: Evidence from nine epidemiological studies

Objectives Although clinical evidence suggests important differences between unipolar mania and bipolar‐I disorder (BP‐I), epidemiological data are limited. Combining data from nine population‐based studies, we compared subjects with mania (M) or mania with mild depression (Md) to those with BP‐I with both manic and depressive episodes with respect to demographic and clinical characteristics in order to highlight differences. Methods...