初级保健实践中的MMSE:为什么好的测试在错误的背景下可能会误导
Carla Tortora1,2,3, Laetitia Teixeira4,5, Susana Sousa4,5
1Department of Psychology, University "G. d'Annunzio" of Chieti-Pescara, Via Dei Vestini 31, Chieti, Italy. carla.tortora@unich.it.
European journal of ageing
|November 4, 2025
概括
迷你精神状态检查 (MMSE) 显示在初级保健中诊断痴呆症的准确性适度,经常产生错误的阳性结果. 它的有效性受痴呆症患病率的影响,影响诊断可靠性.
科学领域:
- 老年学是一门学科.
- 认知神经科学 认知神经科学
- 临床心理学 临床心理学
背景情况:
- 迷你心理状态检查 (MMSE) 是一种常见的认知查工具,在全球范围内使用,特别是在初级保健机构.
- 评估其诊断性能对于在不同人群中准确检测痴呆症至关重要.
研究的目的:
- 为了评估MMSE在社区居住的老年人的诊断准确度.
- 为了比较MMSE的表现与不同的切断分数与临床诊断和痴呆症严重程度.
主要方法:
- 一组390名老年人 (65-98岁) 接受了MMSE和临床评估.
- 使用接收机操作特征 (ROC) 分析来确定曲线下的面积 (AUC).
- 对于21和24的MMSE截止分数,计算了灵敏度,特异性和预测值.
主要成果:
- MMSE的AUC达到0.75,表明诊断能力中等.
- 21的切断值产生了0.77的灵敏度和0.65的特异性;24的切断值产生了0.50的灵敏度和0.82.82的特异性.
- MMSE有效地识别了严重痴呆症病例,但对轻度病例的准确性较低,与快速轻度认知障碍屏幕 (Qmci) 不同.
- 在初级保健中,MMSE显示出适度的诊断可靠性,在痴呆症患病率较低时,有大量的错误阳性结果.
结论:
- MMSE的诊断准确度受到查人口中痴呆症的流行程度的影响.
- 这项研究挑战了在初级保健机构中MMSE的低虚假阳性率的假设.
- 考虑患病率对于解释MMSE结果至关重要,特别是积极的预测值,以确保可靠的痴呆症查.
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