This study aimed to investigate the features of later stage bipolar disorder (BD) and specifically, factors underlying later stage BD and potential subgroups within this stage, to understand more about the later stage group and contribute to the measurement of stage.

中文翻译：

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概念化双相情感障碍的后期阶段：来自 ORBIT 试验的描述性分析

本研究旨在调查晚期双相情感障碍（BD）的特征，特别是晚期BD的因素和该阶段内的潜在亚组，以了解更多关于晚期组的信息并有助于阶段的测量。