Discussion Using a nationally representative data set, this study found that the age-standardized mortality of AD and other forms of dementia showed a decreasing trend of prevalence from 2010 to 2015.
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The temporal trend and distribution characteristics in mortality of Alzheimer's disease and other forms of dementia in China: Based on the National Mortality Surveillance System (NMS) from 2009 to 2015.
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In Europe and America, the prevalence of dementia was reported to be stable or decreasing over the last decades, attributing to secular improvement of educational level, population-level reduction in vascular risk factors, and overall reduction in stroke incidence[ 17 – 21 ].However, a number of studies showed an increasing trend in dementia prevalence in Mainland China and Hong Kong[ 22 – 24 ].