Table 3.

Incidence of dementia by gender, residence, and age group

ResidenceAge group, yWomenMen
Cases, nRate (95% CI)Cases, nRate (95% CI)
* Excluding those who screened positive but received no clinical examination.
Community*65–69106.6 (2.1–11.2)53.4 (0.5–6.8)
70–74286.7 (3.4–10.0)4613.6 (8.5–18.7)
75–796516.4 (10.9–21.9)6724.5 (16.7–32.3)
80–8413435.9 (26.5–45.3)7333.4 (23.3–43.5)
85–8913770.8 (52.9–88.7)6875.9 (53.1–98.7)
90–9486100.7 (72.5–128.9)38120.6 (77.4–163.8)
95+17115.1 (58.9–171.4)248.9 (5.0–116.8)
Institutions65–69161.7 (5.2–183.7)143.2 (3.6–129.5)
70–741180.1 (32.3–128.1)797.3 (28.3–168.4)
75–791790.8 (46.0–135.6)895.9 (31.2–161.8)
80–8429131.8 (79.9–183.7)11130.0 (54.1–206.2)
85–8934166.1 (104.8–227.4)690.9 (22.9–162.6)
90–9427285.4 (174.0–396.8)9234.1 (91.8–377.2)
95+17336.3 (184.0–488.6)6470.3 (173.0–769.6)