Table 3 Status of cognitive impairment among different age groups
Age group | Number of persons | Numbers of Cognitive impairment | Proportion(95%CI) |
|---|---|---|---|
65–74 | 10,211 | 951 | 9.3% (8.8-9.9%) |
75–84 | 5230 | 895 | 17.1% (16.1-18.2%) |
85 and older | 1168 | 335 | 28.7% (26.1-31.4%) |