Latent class cluster analysis of symptom ratings identifies distinct subgroups within the clinical high risk for psychosis syndrome.

Latent class cluster analysis of symptom ratings identifies distinct subgroups within the clinical high risk for psychosis syndrome.
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DOI:
10.1016/j.schres.2017.12.001
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发表时间:
2018-07
影响因子:
4.5
通讯作者:
Walker EF
Walker EF
中科院分区:
医学2区
文献类型:
--
作者:
Ryan AT;Addington J;Bearden CE;Cadenhead KS;Cornblatt BA;Mathalon DH;McGlashan TH;Perkins DO;Seidman LJ;Tsuang MT;Woods SW;Cannon TD;Walker EF

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精神病临床高危综合征 (CHR-P) 的临床表现和结果各不相同。识别该综合征的更多同质亚型可能有助于阐明其病因并提高对精神病的预测。本研究将潜在类别聚类分析 (LCCA) 应用到北美前驱症状纵向研究 1 和 2 (NAPLS 1 和 2) 的症状评级中。这些分析为 CHR-P 综合征内的三到五个亚组提供了证据。亚组之间的阴性症状和紊乱症状存在差异。研究发现,亚组成员身份可以预测精神病的转变。作者将本研究中采用的方法与之前识别更多同质 CHR-P 个体亚组的尝试进行了对比,并讨论了如何在未来的 CHR-P 个体样本中测试这些结果。
The clinical-high-risk for psychosis (CHR-P) syndrome is heterogeneous in terms of clinical presentation and outcomes. Identifying more homogenous subtypes of the syndrome may help clarify its etiology and improve the prediction of psychotic illness. This study applied latent class cluster analysis (LCCA) to symptom ratings from the North American Prodrome Longitudinal Studies 1 and 2 (NAPLS 1 and 2). These analyses produced evidence for three to five subgroups within the CHR-P syndrome. Differences in negative and disorganized symptoms distinguished amongst the subgroups. Subgroup membership was found to predict conversion to psychosis. The authors contrast the methods employed within this study with previous attempts to identify more homogenous subgroups of CHR-P individuals and discuss how these results could be tested in future samples of CHR-P individuals.
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发表时间: 2016-04-01
期刊: The American journal of psychiatry
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