The prevalence of AD in the United States among people aged 65 years and above was ~ 10%, 3% for those aged 65–74 years, 17% for 75–84 years, and 32% for 85 years and above, respectively, indicating an increasing trend with age. 4 A large‐scale study that collected data from 2015 to 2018 showed that the prevalence of MCI in China was 15.5% among the elderly aged 60 years and above, specifically 11.9% for those aged 60–69 years, 19.3% for 70–79 years, 24.4% for 80–89 years, and 33.1% for 90 years and above.
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Chinese expert consensus on assessment of cognitive impairment in the elderly.
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