“老年痴呆症的新病例每70秒就会发生，”理查德·马斯说。他是医学博士，教授，在纽约哥伦比亚大学研究神经病学、精神病学和流行病学。

"New cases of Alzheimer's occur every 70 seconds," says Richard Mayeux, MD, a professor of neurology, psychiatry, and epidemiology at Columbia University, in New York City.

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方法运用文献计量分析方法 ，分析国内研究中老年期痴呆评估与诊断所采用的各种筛查评估量表、常用量表的特点及采用不同筛查工具的流行病学结果。

Methods Varieties of screening and assessment scales were found in the studies on screening and assessment of senile dementia in China, as well as their common features and epidemiological results.

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