Zhang M
Zhonghua Yi Xue Za Zhi. 1990 Aug;70(8):424-8, 30.
An epidemiological survey on dementia and Alzheimer disease (AD) was carried out in a community of 5055 persons over the age of 55 at Jingan district of Shanghai. Diagnoses were made according to the diagnostic criteria of dementia of DSM-III-R and of AD of NINCDS-ADRDA. It was found that dementia is not uncommon in the aged, and AD was the leading category of dementia. The age and sex adjusted prevalence rate of dementia was 2.57% in those over 55, 3.46% in those over 60, and 4.61% in those over 65, and that of AD was 1.50%, 2.05% and 2.90% respectively. Beside age, the other risk factors were female sex, bereavement of spouse, low education and unfavorable socio-economic status.
在上海静安区一个有5055名55岁以上居民的社区开展了一项关于痴呆症和阿尔茨海默病（AD）的流行病学调查。诊断依据DSM-III-R痴呆症诊断标准和NINCDS-ADRDA的AD诊断标准进行。研究发现，痴呆症在老年人中并不罕见，且AD是痴呆症的主要类型。55岁以上人群经年龄和性别调整后的痴呆症患病率为2.57%，60岁以上人群为3.46%，65岁以上人群为4.61%；AD的患病率分别为1.50%、2.05%和2.90%。除年龄外，其他风险因素包括女性、丧偶、低教育水平和不利的社会经济地位。
