蒙特利尔认知评估:标准和MOCA-22管理的规范和可靠的变化指数
Lauren N Ratcliffe1,2,3, Andrew C Hale1,2, Taylor McDonald3
1Mental Health Service, VA Ann Arbor Healthcare System, Ann Arbor, MI, USA.
概括
蒙特利尔认知评估 (MoCA) 的总得分对于那些有认知诊断的人来说是可重现的,但域名得分是不稳定的. 在解释MoCA结果时,使用基于回归的规范来调整人口差异.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 老年学是指老年学的学科.
背景情况:
- 蒙特利尔认知评估 (MoCA) 是一种广泛使用的认知查工具.
- 缺乏针对不同种群和重复服药的规范性数据.
- 了解人口统计学对MoCA表现的影响对于准确的解释至关重要.
研究的目的:
- 为MoCA开发人口调整的规范数据.
- 评估MoCA分数在不同领域的测试复试可靠性.
- 确定影响MoCA性能及其随时间的稳定性的因素.
主要方法:
- 利用了来自国家阿尔茨海默氏症协调中心统一数据集的18410名参与者的数据.
- 应用托比特回归用于规范发展,考虑上限效应.
- 使用克朗巴赫的alpha分析了测试-重新测试可靠性,并检查了累积变化频率.
主要成果:
- 在认知正常的个体中观察到显著的天花板效应和负偏差.
- 年龄较大,男性性别,黑人,美洲印第安人/阿拉斯加原住民种族和西班牙裔种族与较低的MoCA分数有关.
- 摩卡总分数显示了足够的可重现性,但域分数显示不稳定.
结论:
- 在患有认知障碍的个体中,MoCA总得分是可重现的,但域得分缺乏可靠性.
- 建议使用基于回归的规范来纠正MoCA表现中的人口差异.
- 天花板效应,斜率和域得分不稳定性需要仔细解释MoCA结果.
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