There are many elderly people in mainland China, but no comprehensive studies have been carried out on the prevalence, risk factors and management of dementia and mild cognitive impairment (MCI).
Cover of the December edition of The Lancet Public Health
This national cross-sectional study recruited 46,011 adults aged 60 years and older between March 10, 2015 and December 26, 2018, using a multi-stage stratified cluster sampling method that took into account geographic region, urbanization level, economic development status, gender, and age distribution. The study was published Dec. 1 in The Lancet Public Health, a sub-journal of The Lancet.
The study was published Dec. 1 in The Lancet Public Health (latest impact factor: 16.292).
A total of 96 monitoring sites were randomly selected from 12 provinces and municipalities in China, representing all socio-economic and geographical regions of China. Participants were interviewed to obtain data on sociodemographic characteristics, lifestyle, medical history, current medications, and family history, and then completed a neuropsychological test performed by a psychological evaluator.
The prevalence of dementia (Alzheimer's disease, vascular dementia, and other dementia) and mild cognitive impairment was calculated, and risk factors were examined for different groups using multivariate adjustment analysis, and the results were shocking.
There may be 15.07 million people aged 60 and over in China who suffer from dementia:
9.83 million people have Alzheimer's disease;
3.92 million people suffer from vascular dementia;
1.23 million people suffer from other dementias.
The prevalence of mild cognitive impairment (MCI) in people aged 60 years and older in China is estimated to be 15.5%, which means that there may be 38.77 million elderly people in China with mild cognitive impairment.
Dementia and mild cognitive impairment (MCI) have similar risk factors, including age, parental history of dementia, living in rural areas, low years of education, widowhood, divorce or living alone, smoking, hypertension, hyperlipidemia, diabetes, heart disease, and cerebrovascular disease.
Nine of these risk factors are modifiable.
Dementia and mild cognitive impairment are very common in China and have similar risk factors. Prevention strategies should be developed to target risk factors identified in the MCI population to halt or slow disease progression. As an important part of China's public health system, it is also crucial to optimize the management of dementia and MCI.
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Source：The Lancet Public Health
Prevalence, risk factors, and management of dementia and mild cognitive impairment in adults aged 60 years or older in China: a cross-sectional study
Reference：
Prevalence, risk factors, and management of dementia and mild cognitive impairment in adults aged 60 years or older in China: a cross-sectional study
Jia, LongfeiQuan, Meina et al.
The Lancet Public Health, Volume 5, Issue 12, e661 - e671
DOI:https://doi.org/10.1016/S2468-2667(20)30185-7
Source: Alzheimer's disease
Author: Jacky
Editor: Spring Tree Pension
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