对精神分裂症,精神分裂情绪障碍和双相I型情绪障碍症状的潜在类别分析
Dana M Lapato1, Roseann E Peterson2, Eric D Achtyes3
1Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA.
medRxiv : the preprint server for health sciences
|November 24, 2025
概括
隐性类分析 (LCA) 的经验表型对精神疾病具有适度的预测有效性. 疾病过程对于区分精神分裂症和双相I型精神障碍至关重要,这表明LCA可能不会超过当前的诊断标准.
科学领域:
- 精神病学和计算生物学
- 利用大规模的临床数据用于精神病学鼻科.
背景情况:
- 数据驱动的表型可以促进生物医学研究,但需要严格的验证.
- 精神病诊断如精神分裂症和双相情感障碍受益于强大的表型.
研究的目的:
- 创建和评估从精神病理学迹象和症状获得的经验表型的预测有效性.
- 评估隐性类分析 (LCA) 现象型是否比已建立的诊断系统具有优势.
主要方法:
- 隐性类分析 (LCA) 应用于来自17719名精神分裂症,双相I型或精神分裂情绪障碍患者的半结构面试数据.
- 现象型被评估为与人口统计学,病因学和临床相关的关联,按性别分层.
主要成果:
- 六类LCA模型是最优的,其中三个类复制了先前的发现.
- 隐性类与DSM诊断相关,但仅症状的LCA缺乏这种预测能力.
- 对于LCA关联的效果大小是适度的,与已建立的DSM诊断相比较.
结论:
- 来自LCA的基于症状的经验表型可能不会超过当前的DSM诊断.
- 疾病的过程仍然是区分主要精神病和双相情感障碍的关键因素.
- 需要进一步的研究来完善精神病学中数据驱动的表型化.
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